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The high quality grinding disc concentration selection

2018-12-10 17:28:08 | 日記
The high quality grinding disc concentration selection
Concentration refers to the content of synthetic diamond high quality grinding disc in the abrasive layer of the abrasive.
1. Resin bond grinding disc is generally 50%-100%. The concentration of most of them is 75%, and the lower the finish is required to be less than 75%. The grinding disc and the grinding disc which requires a long service life can be used 100% or more.
2. The metal bond product generally adopts a concentration of 25%-150%; wherein the coarse-grained cutting saw blade generally has a lower concentration, that is, 25-50%, and the fine particle size is higher; and other metal bond grinding discs generally require The concentration should be 50%-100%. In general, coarse grinding uses higher concentrations, semi-finishing uses medium concentrations, while fine grinding, polishing, etc. use higher concentrations.

Grinding processing application of fast working grinding wheel

2018-12-07 18:45:06 | 日記
4. Using the resin fast working grinding wheel, resin and rubber guide wheel, on the centerless grinding machine, using the flexible positioning method, using the outer circumferential surface of the grinding wheel, the centerless or outer circular surface of the rotational symmetry is centerlessly ground.
5. Grind the threaded grinding wheel with a special resin grinding wheel. On the thread grinder, threading of the thread with high precision and surface roughness, the thread of the measuring machine, the thread of the measuring tool and the threaded part of the hardening process. Such as thread, worm, tap, hob, gauge, etc. with taper thread, multi-start thread, parallel thread and other grinding.
6. Using an epoxy resin honing wheel and a double cone, butterfly, double butterfly, worm wheel, etc., on the gear grinding machine, gear grinding of the hardened gear.
7. With resin strong grinding wheel, in tool grinding, for cutting tool materials with high hardness, hardness, wear resistance and sufficient strength and toughness, such as carbon tool steel, alloy tool steel, high speed steel, Carbide, etc., tool grinding to achieve the desired accuracy, surface roughness and correct geometry, making the cutting edge with high sharpness and durability.

Diamond fine grinding sheet specifications

2018-12-07 17:39:03 | 日記
I have previously introduced diamond high quality grinding disc with many times. High-precision optical parts such as photographic objective lenses, prisms and filters are polished after classical fine grinding or diamond refining. After polishing, the polishing molds made of asphalt, polyurethane polishing dies and the like are used. , zirconia and other polishing powder. The polishing process is to remove the altered layer produced during the previous process, and obtain an optical surface having no defects in appearance and surface accuracy. Currently. The fixed abrasive grinding method using diamond refining sheets is gradually replacing the classical grinding, and the polishing process has begun to test the fixed abrasive.

Diamond fine grinding pellet specifications
Outer diameter: DΦ4MM- Φ30MM
Diamond thickness: T3MM-10MM, divided into two types: pill and total.
Diamond particle size: 300#-3000#
Long service life, effective stabilization of the aperture; long service life of a single dressing, the consistency of the processed product size.
Bond type: bronze or resin
Diamond type: diameter DΦ4MM- Φ55MM, thickness T5, T10

Do you find cheap grinding disc?

2018-12-06 11:29:24 | 日記
The cheap grinding disc structure generally consists of a working layer, a base body, and a transition layer.

The working layer, also known as the diamond layer, consists of abrasives, binders, and fillers and is the working part of the cheap grinding disc. The transition layer, also called a non-diamond layer, consists of a binder, a metal powder, and a filler, and is a portion that firmly bonds the diamond layer to the substrate.

The base body is used to receive the abrasive layer and is firmly clamped to the grinding machine spindle by a flange during use. Generally, the metal bond product is selected from steel and alloy steel powder as the matrix; the resin bond is selected from aluminum alloy and bakelite as the matrix. It is made of aluminum, steel or bakelite and functions as a supporting working layer and a chucking tool. The quality of the grinding disc and the accuracy of its use are closely related to the substrate.

Due to the characteristics of diamond abrasives (high hardness, high compressive strength, and good wear resistance), diamond grinding tools are an ideal tool for grinding hard and brittle materials and hard alloys in grinding, which is not only efficient but also highly accurate. High and the roughness is good, the abrasives are used less, the service life is long, and the working conditions can be improved. Therefore, it is widely used in low-iron content metal and non-metal hard and brittle materials, such as cemented carbide, high-aluminum porcelain, optical glass, agate gemstone, semiconductor material, stone, etc., which are difficult to process with ordinary abrasive tools.

Classification of long life grinding wheel

2018-12-05 16:20:11 | 日記
The diamond long life grinding wheel is made of diamond abrasive as raw material and is made of metal powder, resin powder, ceramics and electroplated metal as a bonding agent. According to the actual user requirements, it has a variety of classifications, the specific classification details are as follows:
1. The diamond grinding wheel can be divided into resin bond diamond grinding wheel; ceramic bond diamond grinding wheel; metal bond diamond grinding wheel (bronze bond diamond grinding wheel).
2. According to the production process, the diamond grinding wheel can be divided into the sintered diamond wheel (resin bond diamond wheel; ceramic bond diamond wheel; metal bond diamond wheel); electroplated diamond wheel; brazed diamond wheel.
3. A diamond wheel according to the appearance or shape can be divided into parallel grinding wheel; cylindrical grinding wheel; cup-shaped grinding wheel; bowl-shaped grinding wheel; dish-shaped grinding wheel; grinding edge grinding wheel;
4. Diamond long life grinding wheel can be divided into diamond grinding wheel for grinding diamond; diamond grinding wheel for grinding hard alloy (diamond knife grinding wheel); diamond grinding wheel for grinding diamond composite piece; centerless grinding diamond wheel for coreless grinding machine; Diamond grinding wheel for ceramic products; diamond grinding wheel for cutting (also known as diamond cutting piece); diamond saw blade.