阅读说明：本技术 一种金刚石滚轮型腔曲面加工方法 (Diamond roller cavity curved surface machining method ) 是由 仲志强 罗松保 张佳艺 徐美娇 于 2019-09-13 设计创作，主要内容包括：本发明涉及金刚石滚轮加工技术领域,尤其涉及一种金刚石滚轮型腔曲面加工方法,包括以下步骤：步骤一,阴模的制造；步骤二,金刚石的选择；步骤三,镀镍溶液的选择；步骤四,电铸；步骤五,对滚轮进行修整；步骤六,滚轮精度的检测；在步骤一中：S1、阴模材料的选择,通过对钢、铝合金和石墨材料进行分析研究,发现钢及石墨作为制造高精度滚轮阴极材料比较适合,本方案选用了更为常用的钢基材作为阴模材料。本发明达到了提高生产效率和产品质量以及节能降耗的目的,并且制造过程简单、周期短、成本低,同时在滚轮工作面上单位面积的金刚石颗粒多,参与修整的切削刃多,磨削负荷分散,磨损少,形状精度保持性好,有利于滚轮延长使用寿命。(The invention relates to the technical field of diamond roller machining, in particular to a method for machining a curved surface of a diamond roller cavity, which comprises the following steps: manufacturing a female die; selecting diamond; step three, selecting a nickel plating solution; step four, electroforming; step five, trimming the roller; step six, detecting the precision of the roller; in the first step: s1, selecting female die materials, and finding that steel and graphite are more suitable for manufacturing the high-precision roller cathode material through analysis and research on steel, aluminum alloy and graphite materials, wherein a steel base material which is more commonly used is selected as the female die material. The invention achieves the purposes of improving the production efficiency and the product quality and saving energy and reducing consumption, has simple manufacturing process, short period and low cost, simultaneously has more diamond particles in unit area on the working surface of the roller, more cutting edges participating in trimming, dispersed grinding load, less abrasion and good shape precision retentivity, and is beneficial to prolonging the service life of the roller.)

1. A method for processing a curved surface of a diamond roller cavity is characterized by comprising the following steps:

manufacturing a female die; selecting diamond; step three, selecting a nickel plating solution; step four, electroforming; step five, trimming the roller; step six, detecting the precision of the roller; wherein:

in the first step:

s1 selection of female die material

Through analytical research on steel, aluminum alloy and graphite materials, the steel and graphite materials are found to be more suitable for manufacturing the high-precision roller cathode material, and the scheme selects the more common steel base material as the female die material;

s2, processing of female die inner cavity profile

Firstly, manufacturing an inner cavity female die with the shape opposite to that of a roller by using a steel base material;

secondly, firmly combining the diamonds on the inner wall of the female die by an electroplating method, and thickening the plating layer to 2-3 mm;

thirdly, combining the female die with the prefabricated steel core mold, casting low-melting-point alloy into the female die, and stripping the female die after the alloy is cooled to completely expose the diamond;

in the second step: natural diamond or artificial diamond can be selected;

in step three: the solution of sulfamic acid is used as the nickel plating solution, the solution system not only has wide process range, but also can obtain an electroformed layer with low internal stress and good comprehensive performance from the solution system;

in step four: before electroforming, a female die needs to be processed, which is mainly divided into the following steps:

firstly, cleaning a female die by using gasoline;

secondly, mounting an insulating clamp on the female die;

thirdly, electrochemically removing oil;

fourthly, weak acid activation treatment is carried out;

fifthly, electrifying to enter the groove and sanding;

sixthly, thickening;

seventhly, electroplating for thickening after sand unloading;

in the fifth step, the roller after electroforming needs to be trimmed, and the method mainly comprises the following steps:

firstly, processing an inner hole, aligning a workpiece on a high-precision inner circle grinding machine to ensure that the runout of the end surface is less than 0.0015mm and the runout of the outer circle is less than 0.002mm, wherein the alignment basis is a preset measuring band during female die processing, then grinding the inner hole and keeping the grinding amount about 0.05mm, the taper of the ground inner hole is within 0.002mm, the fit clearance with a shaft is 0.001-01002mm, and the smoothness reaches D10;

secondly, end face machining, namely grinding two end faces on an outer circle grinding machine to ensure the verticality of the hole and the end faces;

thirdly, shelling, namely slowly feeding at a low speed on a lathe, cooling by using a large amount of cooling liquid, turning out a large part of a shell of a female die, leaving a single side of about 0.5mm, grinding to expose a tooth end by using a cylindrical grinder, turning a groove on the lathe by using a forming cutter, wherein the cutter cannot contact an electroplated layer, and finally grinding the rest female die material by using a forming grinding wheel to expose all diamond plating surfaces of a roller;

in the sixth step: the method for detecting the precision of the roller mainly comprises the steps of trimming a grinding wheel by the roller, grinding more than three workpieces by the grinding wheel, wherein the workpieces can be processed products or special templates for measurement, measuring the ground workpieces, recording the actual measurement result in detail, comparing the measurement data of each workpiece, and then taking an average value to compare whether the accuracy requirement is met.

2. The method for machining the curved surface of the diamond roller cavity according to claim 1, wherein the method comprises the following steps: in the selection of the female die material in the first step, the steel substrate is preferably 45# steel, and graphite can be used as the female die material, high-strength and high-purity graphite should be selected, and the porosity of the graphite is required to be lower than 18%.

3. The method for machining the curved surface of the diamond roller cavity according to claim 2, wherein the method comprises the following steps: when graphite is used as a female die material, a sample plate cutter is mainly used for processing an inner cavity, so that the sample plate cutter becomes one of important parts in a roller manufacturing link.

4. The method for machining the curved surface of the diamond roller cavity according to claim 1, wherein the method comprises the following steps: in the first step of processing the cavity profile of the female die, the processing of manufacturing the cavity type female die by the steel base material is mainly divided into the following steps:

firstly, roughly turning, namely turning out a process chuck, turning round and turning an excircle and remaining grinding amount, then turning an end face and turning an inner cavity profile, only turning a groove and not turning a tooth top face;

secondly, drilling and tapping, wherein the drilling and tapping are mainly used as a clamp for electroplating and used during peeling;

thirdly, carrying out heat treatment, quenching the inner molded surface, wherein the heat treatment reaches HRC 42;

fourthly, grinding the outer circle, the inner hole and the end face, wherein a universal grinding machine is used for machining in the process;

fifthly, grinding the end face for alignment when grinding the inner profile;

and sixthly, grinding the inner cavity.

5. The method for machining the curved surface of the diamond roller cavity according to claim 1, wherein the method comprises the following steps: in the third step, the components in the sulfamate nickel plating solution comprise nickel sulfamate: 280-300g/L, nickel chloride: 10-15gL and boric acid: 3436g/L, the operation conditions of the sulfamate nickel plating solution are as follows: the temperature should be between 40-45 deg.C, pH 44.5, cathode current density 1-5A/dm2, and solution stirring manner is one of cathode movement or combined stirring.

6. The method for machining the curved surface of the diamond roller cavity according to claim 1, wherein the method comprises the following steps: in the fourth step, the insulating clamp is mainly an organic glass insulating clamp for electroplating and a clamp for casting low-melting alloy.

7. The method for machining the curved surface of the diamond roller cavity according to claim 1, wherein the method comprises the following steps: in the first step, the low-melting-point alloy is soldering tin, and the melting point of the low-melting-point alloy is 198 ℃.

Technical Field

The invention relates to the technical field of diamond roller machining, in particular to a method for machining a curved surface of a diamond roller cavity.

Background

The diamond dressing roller is a new generation of grinding wheel forming dressing tool, and has the advantages of high efficiency, high precision and high forming degree in the aspect of forming dressing grinding wheels. The present method for manufacturing electroplated diamond dressing roller is the most effective method for manufacturing precise and complex surface roller, and integrates the precise manufacturing technology, the precise electroforming technology and the precise measurement technology into a whole.

However, the current diamond dressing roller processing method is difficult to meet the requirement of high precision, directly influences the quality of a roller coating and the production progress, and finally carries out large-scale finishing operation on the roller.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the method for processing the curved surface of the cavity of the diamond roller, which achieves the purposes of improving the production efficiency and the product quality, saving energy and reducing consumption, has simple manufacturing process, short period and low cost, and simultaneously has more diamond particles in unit area on the working surface of the roller, more cutting edges participating in trimming, dispersed grinding load, less abrasion and good shape precision retentivity, and is beneficial to prolonging the service life of the roller.

(II) technical scheme

In order to realize the technical problem, the invention provides the following technical scheme: a method for processing a curved surface of a diamond roller cavity comprises the following steps:

manufacturing a female die; selecting diamond; step three, selecting a nickel plating solution; step four, electroforming; step five, trimming the roller; step six, detecting the precision of the roller; wherein:

in the first step:

s1 selection of female die material

The female die is used as a die for manufacturing the roller, the influence on the shape and the precision of the roller is the largest, the processing of the cavity profile is an important process and a key process in the roller manufacturing, therefore, the selection of the female die material and a proper processing means are the key for manufacturing the high-quality cavity profile, and the female die material has the following conditions: the material has good stability, small internal stress, necessary strength and easy processing; the anti-deformation capability is strong when the heating and the stress are applied in the manufacturing process; the economy is good.

Through analytical research on steel, aluminum alloy and graphite materials, the steel and graphite materials are found to be more suitable for manufacturing the high-precision roller cathode material, and the scheme selects the more common steel base material as the female die material;

s2, processing of female die inner cavity profile

Firstly, an inner cavity female die with the shape opposite to that of the roller is manufactured by using a steel base material, and the geometric precision of the female die is more than 1.5 higher than that of the roller.

And secondly, firmly bonding the diamond on the inner wall of the female die by an electroplating method, and thickening the coating to 2-3mm to ensure that the coating has enough strength and rigidity.

And thirdly, combining the female die with the prefabricated steel core, casting low-melting-point alloy into the female die, and after the alloy is cooled, stripping the female die and completely exposing the diamond, wherein the roller can achieve high precision without trimming.

In the second step: according to the method, natural diamond or artificial diamond with better quality and finer granularity is generally selected, and the artificial diamond is high-quality high-grade diamond from above MBD8 to SMD25, the diamond concentration is less than 200%, and the diamond has good crystal form and low impurity content, so that the service life of the roller can be ensured.

In step three: common nickel electroforming solution systems include sulfate solutions, perchloride solutions, fluoroborate solutions, persulfate solutions, and sulfamate solutions. The scheme preferably uses the sulfamic acid salt solution as the nickel plating solution, and the solution system not only has wide process range, but also can obtain the electroforming layer with low internal stress and good comprehensive performance from the solution system.

In step four: before electroforming, a female die needs to be processed, which is mainly divided into the following steps:

in the first step, the female mold is first cleaned with gasoline.

And secondly, installing an insulating clamp on the female die.

And thirdly, electrochemically removing oil.

Fourthly, weak acid activation treatment is carried out.

And fifthly, electrifying to enter the groove and coating sand.

And sixthly, thickening.

And seventhly, electroplating for thickening after sand unloading.

In the fifth step, the roller after electroforming needs to be trimmed, and the method mainly comprises the following steps:

firstly, processing an inner hole, aligning a workpiece on a high-precision inner circle grinding machine to ensure that the runout of the end surface is less than 0.0015mm and the runout of the outer circle is less than 0.002mm, wherein the alignment basis is a preset measuring belt during female die processing, then grinding the inner hole and keeping the grinding amount about 0.05mm, the taper of the ground inner hole is within 0.002mm, the fit clearance with a shaft is 0.001-01002mm, and the smoothness reaches D10.

And secondly, processing end faces, namely grinding the two end faces on an outer circle grinder to ensure the verticality of the hole and the end faces.

And thirdly, shelling, slowly feeding at a low speed on a lathe, cooling by using a large amount of cooling liquid, turning out a large part of the shell of the female die, leaving a single side of about 0.5mm, grinding to expose the tooth end by using a cylindrical grinder, turning out a groove on the lathe by using a forming cutter, wherein the cutter cannot contact with an electroplated layer, and finally grinding the rest female die material by using a forming grinding wheel to expose all diamond plating surfaces of the roller.

In the sixth step: the method for detecting the precision of the roller mainly comprises the steps of trimming a grinding wheel by the roller, grinding more than three workpieces by the grinding wheel, wherein the workpieces can be processed products or special templates for measurement, measuring the ground workpieces, recording the actual measurement result in detail, comparing the measurement data of each workpiece, and then taking an average value to compare whether the accuracy requirement is met.

Further, in the selection of the female die material of the first step, the steel substrate is preferably 45# steel, and graphite can be used as the female die material, and high-strength and high-purity graphite should be selected, and the porosity of the graphite is required to be lower than 18%.

Furthermore, when graphite is used as a female die material, a sample plate cutter is mainly used for processing an inner cavity, therefore, the template knife becomes one of the important parts in the roller manufacturing process, the design of the female die is to pre-design the shape of the roller according to the requirements of the user on the workpiece, during the production, the tolerances required for the diamond conditioning roller are generally equal to 2/3 for the workpiece size and shape tolerances, meanwhile, the requirements of the roller on calibration and use during assembly are also considered, so that one end of the roller is provided with a 3mm calibration shoulder, the other end of the roller is provided with a boss with the width of 1mm, the calibration shoulder is used for trimming and correcting during assembly, because it is concentric with the bore and roller surface, the boss prevents its adjacent washer or flange from directly contacting the diamond layer of the roller, the dimensional and shape tolerances of the female die must therefore guarantee the dimensional accuracy of the future roller, and its overall width must also guarantee the presence of the alignment shoulders and bosses of the roller.

Further, in the step one, in the processing of the cavity profile of the female die, the processing of manufacturing the cavity type female die for the steel base material is mainly divided into the following steps:

firstly, rough turning, namely turning out a process chuck, turning round and turning the excircle and keeping the grinding amount, then turning the end face and turning the inner cavity profile, only turning the groove and not turning the tooth top face.

And step two, drilling and tapping are mainly used as a clamp on electroplating and used during peeling.

And thirdly, carrying out heat treatment, quenching the inner molded surface, wherein the heat treatment reaches HRC 42.

And fourthly, grinding the excircle, the inner hole and the end face, and machining by using a universal grinding machine in the process.

And fifthly, grinding the end face for alignment when grinding the inner profile.

And sixthly, grinding the inner cavity.

Further, in the third step, the components in the sulfamate nickel plating solution include nickel sulfamate: 280-300g/L, nickel chloride: 10-15gL and boric acid: 3436g/L, the operation conditions of the sulfamate nickel plating solution are as follows: the temperature should be between 40-45 deg.C, pH 44.5, cathode current density 1-5A/dm2, and solution stirring manner is one of cathode movement or combined stirring.

Further, in the fourth step, the insulating clamp is mainly an organic glass insulating clamp for electroplating and a clamp for casting low-melting alloy.

Further, in the step one, the low-melting-point alloy is soldering tin, the melting point of the low-melting-point alloy is 198 ℃, and the selection principle of the low-melting-point alloy is as follows: the closer the linear expansion coefficient of the alloy is to that of the electroplating female die material in a solid state, the smaller the influence on the precision of the roller is, and the melting point is as low as possible, preferably a low-melting alloy with the melting point of about 200 ℃ is selected, the less influence on the precision of the roller is caused by the linear expansion coefficient of the alloy, the less influence is caused on the precision of the roller, the alloy can be used for production, and the generated error is corrected in the female die design so as to ensure the precision of the roller.

(III) advantageous effects

The invention provides a diamond roller cavity curved surface processing method which has the following beneficial effects:

1. the invention realizes the standardized production of diamond roller electroplating, achieves the purposes of improving the production efficiency and the product quality and saving energy and reducing consumption, and has simple manufacturing process, short period and low cost.

2. The method provided by the invention can enable the roller to achieve high precision without trimming, and in addition, because the diamond working surface is selected to have high strength, extremely low impurity content and finer granularity than a hand planting method, the diamond particles in unit area on the roller working surface are more, cutting edges participating in trimming are more, grinding load is dispersed, abrasion is less, shape precision retentivity is good, and the service life of the roller is prolonged.

3. The invention adopts the soldering tin as the low-melting-point alloy, the melting point is 198 ℃, the linear expansion coefficient has little influence on the precision of the roller, the invention can be used for production, and the generated error is corrected during the design of the female die, thereby ensuring the precision of the roller.

4. The nickel-plated layer mainly plays a role of supporting and bonding agent, increases holding force, firmly holds the diamond on the plating layer, prevents the diamond from falling off, and plays a role of increasing strength and preventing deformation.

Drawings

FIG. 1 is a flow chart of the process of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a method for processing a curved surface of a diamond roller cavity comprises the following steps:

manufacturing a female die; selecting diamond; step three, selecting a nickel plating solution; step four, electroforming; step five, trimming the roller; step six, detecting the precision of the roller; wherein:

in the first step:

s1 selection of female die material

The female die is used as a die for manufacturing the roller, the influence on the shape and the precision of the roller is the largest, the processing of the cavity profile is an important process and a key process in the roller manufacturing, therefore, the selection of the female die material and a proper processing means are the key for manufacturing the high-quality cavity profile, and the female die material has the following conditions: the material has good stability, small internal stress, necessary strength and easy processing; the anti-deformation capability is strong when the heating and the stress are applied in the manufacturing process; the economy is good.

In the selection of the female die material in the step one, the steel base material is preferably 45# steel, if graphite can be used as the female die material, high-strength and high-purity graphite is selected, the porosity of the graphite is required to be lower than 18%, when the graphite is used as the female die material, a template cutter is mainly used for processing an inner cavity, therefore, the template cutter becomes one of important parts in the roller manufacturing link, the female die is designed to pre-design the shape of the roller according to the requirements of a user on a workpiece, in the production process, the tolerance required by a diamond trimming roller is usually equal to 2/3 of the size and the shape tolerance of the workpiece, and simultaneously, the calibration and use requirements in the roller assembly are also considered, therefore, one end of the roller is provided with a 3mm calibration shoulder, the other end of the roller is provided with a 1mm wide boss, and the calibration shoulder is used for trimming and correction during the assembly because the calibration, the bosses prevent the adjacent washers or flanges from directly contacting the diamond layer of the roller, so that the dimensional and form tolerances of the female die must ensure the dimensional accuracy of the future roller, and the overall width must also ensure the presence of the alignment shoulders and bosses of the roller.

Through analytical research on steel, aluminum alloy and graphite materials, the steel and graphite materials are found to be more suitable for manufacturing the high-precision roller cathode material, and the scheme selects the more common steel base material as the female die material;

s2, processing of female die inner cavity profile

Firstly, an inner cavity female die with the shape opposite to that of the roller is manufactured by using a steel base material, and the geometric precision of the female die is more than 1.5 higher than that of the roller.

In the processing of the female die cavity profile, the processing of manufacturing the female die with the female die cavity from the steel base material is mainly divided into the following steps:

1) and rough turning, namely turning out a process chuck, turning round and turning the excircle and keeping the grinding amount, then turning the end face and turning the inner cavity profile, only turning the groove and not turning the tooth top face.

2) Drilling and tapping are mainly used as a clamp on electroplating and used during peeling.

3) And carrying out heat treatment, quenching the inner molded surface, wherein the heat treatment reaches HRC 42.

4) And grinding the outer circle, the inner hole and the end face, wherein the process uses a universal grinding machine for machining.

5) And grinding the end face for alignment when grinding the inner profile.

6) And grinding the inner cavity.

And secondly, firmly bonding the diamond on the inner wall of the female die by an electroplating method, and thickening the coating to 2-3mm to ensure that the coating has enough strength and rigidity.

And thirdly, combining the female die with the prefabricated steel core, casting low-melting-point alloy into the female die, and after the alloy is cooled, stripping the female die and completely exposing the diamond, wherein the roller can achieve high precision without trimming.

The low-melting-point alloy is soldering tin, the melting point of the low-melting-point alloy is 198 ℃, and the selection principle of the low-melting-point alloy is as follows: the closer the linear expansion coefficient of the alloy is to that of the electroplating female die material in a solid state, the smaller the influence on the precision of the roller is, and the melting point is as low as possible, preferably a low-melting alloy with the melting point of about 200 ℃ is selected, the less influence on the precision of the roller is caused by the linear expansion coefficient of the alloy, the less influence is caused on the precision of the roller, the alloy can be used for production, and the generated error is corrected in the female die design so as to ensure the precision of the roller.

In the second step: according to the method, natural diamond or artificial diamond with better quality and finer granularity is generally selected, and the artificial diamond is high-quality high-grade diamond from above MBD8 to SMD25, the diamond concentration is less than 200%, and the diamond has good crystal form and low impurity content, so that the service life of the roller can be ensured.

In step three: the common nickel electroforming solution system comprises a sulfate solution, a perchloride solution, a fluoroborate solution, a total sulfate solution and a sulfamate solution, the sulfamate solution is preferably used as the nickel plating solution in the scheme, the solution system is wide in process range, more importantly, the electroforming layer with low internal stress and good comprehensive performance can be obtained from the solution system, and the sulfamate nickel plating solution comprises the following components: 280-300g/L, nickel chloride: 10-15gL and boric acid: 3436g/L, the operation conditions of the sulfamate nickel plating solution are as follows: the temperature should be between 40-45 deg.C, pH 44.5, cathode current density 1-5A/dm2, and solution stirring manner is one of cathode movement or combined stirring.

In step four: before electroforming, a female die needs to be processed, which is mainly divided into the following steps:

in a first step, the negative mould is first cleaned with gasoline and the diamonds are subjected to a rigorous cleaning treatment, preferably a thermochemical treatment, to remove undesirable particles containing high impurities.

And secondly, installing an insulating clamp on the female die, wherein the insulating clamp mainly comprises an organic glass insulating clamp for electroplating and a clamp for casting low-melting alloy, and the insulating clamp for clamping must ensure that electrolyte cannot damage the female die in the whole electroplating process, particularly ensure that the electrolyte is positioned at the end part of the female die and a reference measuring belt on the excircle of one end.

And thirdly, electrochemically removing oil.

And fourthly, performing weak acid activation treatment, wherein oil removal and the weak acid activation treatment must be ensured so as not to damage the precision of the female die.

And fifthly, electrically charging the cavity and sanding, wherein the current density during sanding and thickening the coating is crucial, the female die cavity is complex and has a tip and a groove, so the current has the lowest limit as far as possible, and measures (pumping the electrolyte in the coating bath to a high-level bath by a pump and injecting the electrolyte into the coating bath after filtering) are adopted to ensure that the female die moves (such as reciprocating translation or rotation) and the electrolyte is convected.

And sixthly, thickening, wherein the area of the anode is far smaller than that of the cathode, and the anode is easy to passivate and be covered by anode mud residue during thickening and thickening of the coating, so that a pair of spare anodes are prepared to replace, clean and activate the anode in use in time.

And seventhly, electroplating for thickening after sand unloading, wherein the current density is increased as high as possible when the coating is thickened so as to save the manufacturing time, and the current density is increased 1-2 hours before the end of the electroplating process so as to roughen the surface of the coating, so that the bonding firmness of the cast low-melting alloy and the coating can be enhanced.

In the fifth step, the roller after electroforming needs to be trimmed, and the method mainly comprises the following steps:

firstly, processing an inner hole, aligning a workpiece on a high-precision inner circle grinding machine to ensure that the runout of the end surface is less than 0.0015mm and the runout of the outer circle is less than 0.002mm, wherein the alignment basis is a preset measuring belt during female die processing, then grinding the inner hole and keeping the grinding amount about 0.05mm, the taper of the ground inner hole is within 0.002mm, the fit clearance with a shaft is 0.001-01002mm, and the smoothness reaches D10.

And secondly, processing end faces, namely grinding the two end faces on an outer circle grinder to ensure the verticality of the hole and the end faces.

And thirdly, shelling, slowly feeding at a low speed on a lathe, cooling by using a large amount of cooling liquid, turning out a large part of the shell of the female die, leaving a single side of about 0.5mm, grinding to expose the tooth end by using a cylindrical grinder, turning out a groove on the lathe by using a forming cutter, wherein the cutter cannot contact with an electroplated layer, and finally grinding the rest female die material by using a forming grinding wheel to expose all diamond plating surfaces of the roller.

In the sixth step: the method for detecting the precision of the roller mainly comprises the steps of trimming a grinding wheel by the roller, grinding more than three workpieces by the grinding wheel, wherein the workpieces can be processed products or special templates for measurement, measuring the ground workpieces, recording the actual measurement result in detail, comparing the measurement data of each workpiece, and then taking an average value to compare whether the accuracy requirement is met.

The invention has the beneficial effects that: the invention realizes the standardized production of diamond roller electroplating, achieves the purposes of improving the production efficiency and the product quality, saving energy and reducing consumption, has simple manufacturing process, short period and low cost, can ensure that the roller can achieve high precision without trimming, in addition, because the diamond intensity working surface is selected to be high, the impurity content is very little, and the granularity is thinner than that of a hand planting method, the diamond particles in unit area on the roller working surface are more, the cutting edges participating in trimming are more, the grinding load is dispersed, the abrasion is less, the shape precision maintenance is good, and the service life of the roller is prolonged, because the invention adopts soldering tin as low-melting point alloy, the melting point is 198 ℃, the linear expansion coefficient has little influence on the roller precision, the roller can be used for production, and the generated error is corrected when a female die is designed, the precision of the roller can be ensured, the nickel-plated layer mainly plays a role of supporting and bonding agent, increases holding force, firmly holds the diamond on the plating layer, prevents the diamond from falling off, and plays a role of increasing strength and preventing deformation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.