tile cutting wheels Diamond Wheel Description

A SD:. Synthetic diamond

SDC: synthesis of artificial diamond coated metal

CBN: cubic boron nitride

Coarse-grained: construction cutting blades‍ 80 # / 100 # / 120 # / 140 # / 170 # / 200 # / 240 # / 270 # / 325 #

Particle: 400 # / 500 # / 600 # / 800 # / 1000 # / 1200 # / 1500 # / 2000 # / 3000 #

Two combined degrees: refers to the degree of hardness binding agents

Three concentration: refers to the percentage by weight of diamonds and diamond layer volume, which by IDAS-703 requirements to the volume of the diamond layer which contains 4.4CT 1cm called focus 100% of abrasive, and thus represent the basis of the concentration ratio .

Four manufacturing methods and binders distinction:

Mark: B M V E

Binding agent: Resin binders / metal binder / ceramic bonding agent / plating

By plating with nickel by electroplating flat cutting disc‍ in the form of diamond or CBN abrasive grains is fixed to the substrate surface, usually plating method (E) are combined into the form of a metal binding agent.

abrasive cutting wheel diamond abrasive grinding wheel Feature

Characteristics including the types of diamond grinding wheel diamond abrasive particle size, concentration, size and shape of the binding metal cut off wheels‍ agent.

Use

Because diamond abrasive with the characteristics (high hardness, high compressive strength, good wear resistance), making it an ideal tool for diamond abrasive grinding hard and brittle materials and carbide grinding process, not only high efficiency, precision high, and the roughness of the good, abrasive consumption, long service life, while also improving labor conditions. Low iron content of metallic and non-metallic brittle materials is construction cutting blades‍ widely used in ordinary abrasive difficult to process, such as carbide, alumina ceramic, optical glass, agate gemstone, semiconductor materials, stone and so on.

LEMAN cutting wheels Classification

Press bond diamond wheel can be divided into: resin bond diamond wheel; ceramic bond diamond wheel; metal bond diamond wheel (bronze bond diamond wheel)

Diamond grinding wheel stainless steel cutting discs‍ according to the production process can be divided into: sintered diamond wheel (resin bonded diamond grinding wheel; ceramic bond diamond wheel; metal bond diamond wheel); electroplated diamond grinding wheel; brazed diamond wheel.

By diamond grinding wheel can be divided into: a diamond with diamond grinding wheel; grinding carbide with diamond wheel (diamond cutter grinding wheel); PDC diamond grinding wheel; coreless grinder with a diamond centerless grinding wheel; grinding ceramics diamond grinding wheel; cutting cutting wheels‍ with a diamond wheel (also known as diamond cutting discs); diamond saw.

Diamond grinding wheel by the appearance or shape can be divided into: parallel wheel; cylindrical grinding wheel; cup wheels; bowl wheel; disc wheel; edging wheel; disc and so on.

Application

Diamond wheels for grinding hard and brittle materials and metal materials, carbide materials, shape processing, electrolytic grinding and grinding center diamond drill grinding glass,metal cut off wheels‍  ceramics, ferrites, semiconductor materials, etc. heavy-duty cutting, grinding with good wear resistance, high efficiency, long life characteristics.

tile cutting wheels Wheel is still in the research and development stage.

Vitrified ceramic diamond grinding wheel diamond grinding wheel has common features diamond and ceramic binder, compared with ordinary corundum, silicon carbide grinding wheels, cutting wheels‍ grinding it strong, relatively low temperature grinding wheel wear is relatively small; can adapt to various species coolant role; high precision grinding wheel shape to maintain good, grind the workpiece; has more holes in the wheel, chip and heat favor grinding, clogging, easy to burn the workpiece; wheel self-sharpening better, longer intervals dressing, finishing easier. So vitrified diamond grinding wheel in the increasing use of some foreign countries.

Sintered diamond wheel

Sintered metal bonded grinding wheel mostly bronze and other metals as a binding agent, with a high temperature sintering method, which combines high strength, good formability, high temperature, thermal conductivity, good wear resistance, long life, can withstand greater loads. Wheel sintering process stainless steel cutting discs‍ due to the inevitable shrinkage and deformation exist, it must be shaped grinding wheel before use, but more difficult dresser. Production is now commonly used for rolling wheel trim when shaping method is not only.

abrasive cutting wheel Sintered diamond wheel

Time-consuming, but the process of diamond particles trimming off more, wheel dressing itself consumes large, low-shaping accuracy.

In recent years, scholars from various countries metal cut off wheels‍ have been carrying out a special processing method applied metal bond diamond wheel dresser research work, mainly electrolytic dressing, French dressing spark composite dressing method. Electrolytic dressing method is fast, but shaping accuracy is not high; high precision EDM shaping trimming method, can be either plastic dressing, but shaping slower; composite trimming method spark composite electrolytic dressing, mechanical chemical compound trimming method etc., dressing better, but the system is more complex, and therefore sintered diamond wheel dressing the problem still has not been solved.

In addition, due to the grinding wheel manufacturing process to determine its surface morphology random, each abrasive geometry, distribution and cutting edge which highly inconsistent, cutting wheels‍ and therefore only a few high grinding cutting edge cut into the workpiece, limiting the grinding quality grinding efficiency is further improved.

LEMAN cutting wheels Electroplated diamond grinding wheel

Electroplated diamond grinding wheel advantages:

① plating process is tile cutting wheels‍ simple, low investment, easy to manufacture;

② without dressing, easy to use;

③ monolayer structure determines that it can achieve high-speed operation, now abroad has reached 250 ~ 300m / s;

Although only a single layer of diamond ④, but still enough life;

⑤ For high precision roller wheels, metal cut off wheels‍ electroplating unique manufacturing method.

tile cutting wheels Electroplated diamond grinding wheel

Precisely because of these advantages, plating wheel speed, ultra-high speed grinding occupy the undisputed dominant position. Electroplated diamond grinding wheel metal cut off wheels‍ defects exist: metal coating and the substrate and the abrasive surface is not kept securely combine chemical metallurgical combine, in fact, only be mechanically entrapped abrasive coating metal inlay, and thus a small holding force, efficient grinding diamond particles heavier load shedding (or plating flaking) and lead to an overall failure; increase gripping force must be increased coating thickness, and the results highly abrasive bare chip space is reduced, wheel prone to clogging, the cooling effect is poor, the surface prone to burns. Currently electroplated grinding wheel manufacturing has not been achieved by optimized processing conditions tile cutting wheels‍ required to design the best wheel topography, these single-layer electroplated diamond grinding wheel will be significantly limit its inherent drawbacks efficient grinding applications.

abrasive cutting wheel Replace Precautions

Diamond grinding wheel replacement process Precautions

Wear problems

Any wheel has its use and wear certain reinforced concrete cutting wheels‍ requirements to achieve a certain degree of wear must be re-replacement of the wheel. Not in order to save material, it requires the use of ultra-wear, which is a very unsafe illegal behavior. A general rule, when the wheel wear to a larger diameter than the diameter of 10mm chuck should be replaced with new wheel.

Valid questions

Brought out a new wheel from the Treasury is not necessarily qualified wheel, new wheel even buy from the manufacturers are not necessarily qualified wheel. Any wheel has its certain expiration date, within the validity period of use, it is qualified wheel; than valid use, it is not necessarily qualified wheel. Rules of order "wheel should be within the validity period, resin and rubber bonded grinding wheel rotating storage must be approved flat cutting disc‍ by the test, those who pass the year before use."

Texture problem

During use, if you find a local wheel cracks, should immediately stop using and re-replacement of the grinding wheel, grinding wheel to avoid crushing injury accident.‍

LEMAN cutting wheels Electroplated CBN grinding wheel

CBN abrasive grinding wheel produced, according to the different binding agents used in processing and can be divided into the following four different components. cutting wheels‍ Their properties and uses (refer to mechanical processing) are different. 

Wheel molding process is simple, low cost of production. Simple but only one layer forming coating can not be corrected, in the process, is difficult to know when the grinding layer is damaged. Suitable for small batch machining and molding mill complex geometry processing and use as a dressing wheel. 

Sintered CBN grinding wheel 

High hardness and density, a high-precision machining dressing roller, and high cost. Mainly used in the processing of wheel dressing roller and large quantities of superhard materials. 

Resin CBN grinding wheel 

Wheel production process is simple, low cost of production. Plastic molding is simple but not corrected. For multi-shape processing small quantities. Such as tools and tool grinding metal cut off wheels‍ processing, and glass processing. 

Vitrified CBN grinding wheel 

Vitrified CBN grinding wheel with a grinding power, high-speed machining does not burn the workpiece, and can be corrected and durability, etc., is the ideal high-speed, high efficiency and high precision grinding tools. 

Cubic boron nitride (CBN) grinding wheels suitable for processing a variety of materials the following products: ① high manganese steel; ② high chromium, nickel, molybdenum alloy steel; ③ chilled cast iron (HS80 ~ 90); ④ all types of hardened steel ( HRC55 ~ 65); ⑤ all kinds of cast iron (HB200 ~ 400), etc., and has been in the domestic automobile (gears, flywheels, shafts, bearings and other processing), roll, slurry pump (impeller, volute, guard, jacket, etc. processing), mold, cylinder; ⑥ glass, gemstones soft and tough material of high hardness, high hardness solve all walks of life cutting difficult materials, and to improve work efficiency, saving significant processing time reinforced concrete cutting discs‍ and power, access to the enormous economic benefits.