Only a single-disc grinding machine grinding disc under

Disc grinding machine: two kinds of single disc and double disc, double disc grinder to the most common.
In the double-disc grinding machine ([double disc grinding machine]), a plurality of workpieces simultaneously be placed in the upper and lower lapping plate inside the cage between the cage and the workpiece driven by the eccentric or planetary  surface grinding  parallel to the plane . Lower lapping plate rotation, parallel to the grinding disk can not turn, or reverse rotation of lower plate, and move up and down to compress the workpiece (pressure is adjustable). In addition, the grinding plate can rotate around the column with the arm at an angle for  diamond grinding  workpieces. Double disc grinding machine mainly used for processing two parallel planes, a plane (the need to increase compression  Surface grinding  attachments), cylindrical cylindrical and spherical (used with a V-shaped groove grinding disc) and so on. Processing outer cylindrical surface, because it is necessary to slide the workpiece rolling again be a reasonable choice retainer hole slot type and arrangement of angles. Only a single-disc grinding machine under the grinding discs, grinding the workpiece for the next plane, enable workpieces of varying shapes and sizes with disc machining, grinding accuracy. Some grinding machine also in the grinding process with automatic correction mechanism abrasive discs.

Precision grinding machine can be used with manual mechanical scraper blade grinding

Automatic grinding machine, also for high-speed grinding machine, precision grinding machine. Using emery cloth, electrical appliances used in Japan and spring, Fuji, the whole spray, the color of the microcomputer colors. Taiwan linear guide rail. Squeegee take cassette lock design, can deform Squeegee alignment to ensure the quality of grinding.
This automatic  cutter wheels , high speed grinding machine, precision grinding machine can be used with manual mechanical scraper blade grinding. Designed special grinding wheels,  tool & cutter  cloth with no sense of pressure, scraping gum without distortion, no corrugated phenomenon, to ensure precision grinding. Grinding degree angle to suit a variety of special printing performance. grinding machine is  Surface grinding  with dust collector device, can reduce industrial pollution, is conducive to the health of staff and equipment, automatic grinding machine, high speed grinding machine, precision grinding machine is simple, without professional technical to operate.

After two rolls and raw Central plate composed of two files

How it works: After two rolls and raw Central plate consisting of two files natural hopper  Vitrified Diamond CBN Wheel  and after the two opposite asynchronous rotation,  centerless grinding  a sharp turning raw materials, cut, destroy material surface structural stress between molecules crushed, and then were, even before the roll speed of the secondary grinding, thus achieving high uniform mixing of various raw materials.

The project team developed the use of the new technologies of grinding machine

The project team developed the use of the new technologies of grinding machines, namely new  cup wheels  grinder. As performance art, the grinding machine prototype has included more than a dozen units has been applied, but also exported to Australia twice, by domestic and foreign users of universal praise. This technology is  Cutting wheel  for individual parts processing, the application was not enough common, should further improve the processing technology, optimized grinding  grinding tool , to expand the scope of grinding; also improve grinding machines, grinding machines to improve performance, improved grinding machine modeling to achieve practical, the degree of commercialization, for wider application.

Abrasive wear form and state of motion of the sphere

In the grinding process, the material removal and the worn grinding movement form and state of the ball. By sphere - plane grinding experiments, respectively, of pure rolling ball and sliding the ball pure amount of wear of single-point parameters were  cutter wheels , and then come to affect the state of motion of the sphere machining parameters to  Surface grinding  the process of slipping into a ball reason. V-shaped groove in the traditional way as the research object grinding, ball movement characteristics to establish the mathematical model, the introduction of the concept of evaluation than sliding the ball and the contact point of the sliding plate level  diamond grinding  slipping the sphere revolution, rotation, and the impact from the corner. While establishing the ball movement equation of dynamic equilibrium of forces and moments, of polishing pressure, polishing and grinding disc speed rolling conditions on the sphere, the state of the sliding movement. Thus proposed improved method of grinding resin beads and the method was simulated.

Restrictions grinding and grinding discs and briquetting pressure coefficient of friction

Polishing pressure must be limited to the grinding process and a polishing disk and compact coefficient of friction. Through the movement of the ball, grinding point selection,  tool & cutter  distribution, material removal, and several other state solution for batch ball milling process of  surface grinding  modeling. Presented sphericity batch  diamond grinding , batch consistency of the evaluation method to analyze the model parameters for evaluating the impact of the target; way the grinding bodies under the parameters were optimized. Through simulation of process parameters derived retainer low speed, medium speed grinding discs and grinding pressure will help to obtain high accuracy of the sphere.

From the perspective of the sphere wear during grinding material removal

For hard material removal in the form of definitions and classifications established two and three-body wear model, from the perspective of the worn ball milling process of  centerless grinding  mechanism.  cup wheels  technology and industrial processing equipment development aspects, precision ball for hard materials, proposed a set of new  grinding tool  grinding technology sphere programs to the initial realization of hard material sphere high efficiency and precision grinding. Meanwhile according to the proposed new processing technology program designed two industrial equipment.

The traditional way of grinding in the laboratory testing stage and some shortcomings of the grinding

Hard material sphere is the bearing, roundness, gyro and other precision measuring instruments is an important element in precision instruments and equipment has a  cup wheels  position. However, due to the traditional grinding method of the production process by human factors, consistency and stability is poor, high processing costs, it is difficult to obtain the degree of hard materials golf balls to make the application of rigid material sphere is still limited. The traditional way of  surface grinding  and some grinding at the laboratory testing stage approach, this paper proposes a set of high-precision machining technology programs, namely solid abrasives - double rotation grinding way around the basic theory of this processing method, the key technology and equipment research and  Resin Bond  conduct research for hard materials, precision ball into a ball mechanism, from the grinding process ball billet motion analysis, the ball billet surface grinding trajectory distribution, spherical error correction, ceramic ball material removal and other issues, combining fixed abrasive grinding technology, dual rotation of the grinding technology, the grinding process factor analysis, and several other aspects of the new precision ball hard material grinding method is used.

The thickness of deposited metal bond diamond abrasive grains are highly

In addition to a relatively simple method is to use spherical particles of filler, smooth surface, is first deposited thickness of the metal binding agent 20% of the height of  surface grinding  grains, fillers and brush with a brush, and finally continue the metal binding agent is  Cutting wheel  to a predetermined thickness. The method of use of a metal-bonded with different surface roughness and shape of the particles of the effect of different gripping ability, its drawback is that the diamond abrasive particle size of the filler particle size equivalent, and thus in the same plane after bonding, by a mechanical removal of the filler , there may give some diamond abrasive brush together, especially those close to the shape of the particles, etc. cumuliform smooth surface of the particles.

Cam bump at the diamond wheel workpiece contact zone

To improve the roundness parts, the first blank can not have too large roundness and concentricity error. In order to ensure the final workpiece dimensional accuracy and roughness, pay attention to changes in the grinding force, the old and new diamond wheel  diamond grinding  will greatly increase its instability, therefore, require frequent replacement diamond grinding wheel diamond grinding wheel and the workpiece to  cutter wheels  of . Cam profile and the curve shape grinding, diamond grinding wheel cam bump at the workpiece contact zone trajectory change will lead to changes in the grinding force, resulting in instability occurs  diamond grinding , forming the shape error. Cam grinder difficult to control, and in the coordinate grinder grinding method using interpolation table shaping movement and control methods, it can greatly reduce the above-mentioned factors.

Less common machining method directly affects the workpiece

Grinding process complicated than other cutting process, abrasive cutting process, including swipe, plowing, cutting three states. Diamond grinding wheel grinding process by the spark cut, stable grinding and grinding to spark clear three stages. The elastic  tool & cutter  of the grinding process and the plastic deformation is large, the other rare cutting method directly affect the dimensional accuracy of the workpiece,  Cutting wheel   grinding heat, surface quality and grinding efficiency. Use must understand the elastic region into a plastic zone and the plastic zone into the cutting area critical condition. Compared with the general  grinding saw , machining, the generally tangential force greater than the normal force, and is characterized by a method of grinding force tangential force of approximately 24 times the stiffness of their impact grinding is large. Grinding force by the cutting force and friction of two parts. Coarse grinding to cutting force main, fine grinding places friction based.

Electroplated grinding wheel speed, ultra-high speed grinding occupy undisputed dominance

Electroplated diamond grinding wheel is precisely because of these advantages, plating wheel speed, ultra-high speed grinding occupy undisputed dominance. Electroplated  Cutting wheel  wheel defects exist: the coating and the substrate and the metal surface is not kept firmly binding the abrasive chemical metallurgical bonding,  diamond grinding  be mechanically entrapped abrasive coating metal inlay, thus gripping force is small, efficient grinding diamond particles heavier  surface grinding  (or plating flaking) and lead to an overall failure; increase gripping force as is necessary to increase the thickness of the coating, and the results highly abrasive bare chip space is reduced, wheel prone to clogging, the cooling effect is poor, prone to burn the workpiece surface.

Diamond deposition technique to repair diamond tools prepared

The use of diamond deposition technology for diamond tools prepared to repair process, not only can the newly formed diamond deposition on tool in the gap, but also can make the tool diamond particles to be regenerated opportunity to further develop improved surface,  cutter wheels  the particle performance. MPCVD method has been successfully used after the plating of the diamond particles and the matrix metal between the gap repaired. In the observation of diamond particles with an average size of  centerless grinding  morphology of electroplated diamond tools, you will find there are angular and irregular surface defects in the diamond particles and the matrix metal between the concave and voids. Put the tool into the deposition MPCVD system, the average particle size of the diamond growth of diamond particles  Resin Bond  by SEM and the matrix metal has been recovered and the gap between the surface of the diamond particles showing the rules and full. Using this method to repair electroplated diamond tools, electroplated diamond tools than unrepaired higher cutting forces, wear and particle adhesion. In MPCVD process temperatures, between diamond and matrix will form carbon - metal bond, the diamond particles and the binding strength between the metal matrix.

Abrasive grinding wheel working surface rational and orderly arrangement

Abrasive grinding wheel working surface rational and orderly arrangement of abrasive industry has been committed to the pursuit of the goal, and is expected to achieve single grinding wheel. Brazing the wheel in the development process, the first processing  cutter wheels  in accordance with the requirements of the best optimization of the grinding wheel topography, then the arrangement of abrasive optimal results it is possible to make the development of a grinding wheel brazing performance to a higher level . On the processing of the template aperture diameter of the diamond Surface grinding grains equivalent to a depth of height of a regular arrangement of the diamond hole, the well arranged good diamond molten solder alloy a thickness of about 30% of the height of diamond. This use hole template to achieve brazing process can not only ensure the orderly arrangement of abrasive grains (high resistance), but also to ensure that 70% of the diamond exposed height. But its industrial production application needs further study.

Conventional abrasive abrasive

Abrasive abrasive cutting action play. Binding agent is a solid form of the abrasive loose abrasive materials, cubic boron nitridec and organic types. Inorganic binder with ceramic, magnesite, sodium silicate and the like; organic a resin, rubber and shellac. One of the most commonly used is a ceramic, resin and rubber binding agent.
Holes in the ground when polycrystalline diamond the role of the chip and the chip, and can accommodate coolant, helps grinding heat dissipation. To meet the requirements of certain special processing, the pores can be grinding wheel with certain fillers such as sulfur and paraffin, so as to improve the abrasive performance. Such fillers, also known as the fourth element of the abrasive.
Means a common abrasive abrasive characteristics of the project are: shape, size abrasive, grain size, hardness, structure and bonding agent. Abrasive abrasive hardness refers to the external force from the abrasive surface of the shedding of degree of difficulty, it reflects the strength of binding agent holding abrasive.

Abrasives Classification and Development

Is for abrasive grinding, grinding and polishing tools. Most of the abrasive is made ​​of abrasive plus artificial abrasive cutting tools agent, is also useful natural mineral rock directly processed into natural abrasive. In addition to Abrasive grinding and other metal processing machinery manufacturing industry has been widely used, but also for food processing, paper industry and the ceramics, glass, stone, plastic, rubber, wood and other non-metal materials processing.
Abrasive in use, when the blunt abrasive, because the abrasive agent or a combination of its own to break fracture, the abrasive grain from the partial or complete loss, the working surface of the abrasive grinding grinding wheel new cutting edge, sharp or continuously exposing new abrasive grains, the abrasive can be maintained within a certain time cutting. This self-sharpening abrasive is abrasive tool compared with the general prominent feature.

Categories Abrasives

1, corundum abrasive, the main component of Al2O3, with medium hardness, toughness, particle Fengrui, relatively inexpensive, suitable for machining high tensile strength of the metal. Microcrystalline corundum Abrasive grinding wheel corundum abrasives are its derived varieties.
2, white fused alumina abrasive, slightly higher than the hardness of corundum, but poor toughness, easy to cut into the workpiece during grinding, good self-sharpening, less heat, grinding ability, Polycrystalline diamond. Chromium corundum abrasive is its derived varieties.
3, single crystal corundum abrasive synthetic diamond are composed of a single crystal, and has a good polygonal cutting edge, high hardness and toughness, grinding ability, less grinding heat, the disadvantage is the high cost of production, yield lower, so the price is relatively high. Corundum abrasives are also crystalline compound, slightly lower hardness, crystal size is fine, good wear resistance.
4, black silicon carbide abrasive, green silicon carbide abrasive, abrasive cubic silicon carbide, silicon carbide abrasive cerium, etc., are silicon carbide abrasive, the main ingredient is silicon carbide SiC, high hardness, brittleness, sharp abrasive grains, good thermal conductivity, strong wear resistance, more suitable for processing hard and brittle metallic and non-metallic products.

Nanodiamond dispersions and powder products

It can be aqueous, organic solvents, ammonia, etc. distribution of nano diamond products, is very suitable for different areas. Dispersion of nano-diamond products and other company's products have a very clear abrasive grinding. If the size of nano-materials is less than several nanometers, then the nature of nano-materials will quickly change. Rely on this feature, nano diamond products in a number of cutting tools have been able to promote and create considerable economic benefits.
Nano diamond is a way to improve the dispersion stability (water, organic solvents), control the particle size of the product. synthetic diamond shows that dispersed nano-diamond particles can be used in many fields. Among them, the most important applications is to improve the scratch resistance and resistance to abrasion resistance. Scope of application of this feature is mainly oil and grease. Further, when nano-containing nano-sized diamond particles in the resin used in industrial coatings, can effectively improve the wear resistance and heat effect.

Parts synthetic diamond powder molding method

Dissolved in a solvent of an organic binder and a modifier consisting of plastic media is mixed with the metal powder. cutting tools a solvent soluble at room temperature and at higher temperatures decreased solubility characteristics. Having a grinding wheel the performance ratio, the plastic medium is mixed with the metal powder, under pressure into the closed mold; heating mold cavity in the plastic and keep a constant Diamond blade increase in viscosity of the medium. Results adobe bonding by plastic media which may emerge from the mold cavity. Heated mold can remove some of the solvent, and then in the furnace hot manipulation solvent evaporation, leaving the body of the network pore pressure and the powder particles in contact with the adhesive film.