How do efficient abrasive manufacture

Using diamond grinding wheel, generally feed rate can not be too large, how to achieve efficient grinding it?
1, high-speed grinding
Speed ​​by increasing the diamond grinding wheel speed to achieve improved quality of grinding and grinding removal process method. Speed ​​grinding has the following advantages:
(1) at a certain amount per unit time under ground except  PINEZONE ceramic flap disc when the grinding wheel speed, abrasive cutting thinner, which makes the load of the individual abrasive grains reduce the diamond grinding wheel to improve durability;
(2) grinding the surface roughness is reduced; After improving diamond wheel speed, abrasive cutting thinner, making the wheel relative feeding quantity is small, the roughness is also reduced.
(3) the normal grinding force is reduced, improving the accuracy of the workpiece.
2, creep feed grinding large depth of cut PINEZONE abrasive fibre disc  big creep feed grinding, also known as deep grooves cut deep grinding grinding or motility. It is based on a large grinding depth (up to 30mm) and low table feed (3 ~ 300mm/min) grinding.
3, abrasive belt grinding with high-speed motion as grinding tools, grinding various surface method called belt grinding. Advantages belt grinding are:
High (1) productivity, abrasive belt on the collections of sharp, cutting large; sand bandwidth grinding large area, high productivity than the grinding wheel 5 to 20 times;
(2) grinding, low energy consumption, due to the light weight belt, tensioner wheel and small contact size, high speed small moment of inertia, so little power loss;
Good (3) processing quality, it can ensure constant work, less heat, no dressing, abrasive sharp, good belt cooling conditions, to  PINEZONE cut off wheel ensure accuracy and small surface roughness values.
(4) belt is soft, can stick to the shaping surface grinding, suitable for a variety of complex-shaped grinding surface.
(5) belt grinder structure is simple, safe operation.
The disadvantages are: rapid depletion belt, belt grinding small diameter holes can not be processed, blind holes, and can not be processed stepped cylindrical gear.
Of course, when using high-speed grinding, you must make sure the machine operating speed must be below the safe use of diamond grinding wheel line speed, and the use of creep feed grinding when large depth of cut, but also to ensure the safety of the grinding time.

abrasive wheel wheel automatic molding technology to promote market transformation

One of the bottlenecks affecting resin sheet wheel production costs and efficiency , is its molding technology . Resin sheet requires large-scale production , the ideal is automatic compression molding , to save on labor costs and improve efficiency.
Back in the eighties, it carried the industry in PINEZONE non woven flap wheel  this area to explore and try , from abroad an automatic molding press . The device is compact , and differ only in the ordinary press more than one feed system .
Its working principle is: the mixture into the top of the hopper , through vibration, falls on a conveyor belt scraper Calibrating, adjust the transmission speed , the material delivered to the weigh hopper , after weighing accurate feeding into the mold cavity.
From the design principle point of view, should be  PINEZONE Sanding Sheets able to efficiently and effectively , but here there is a fatal flaw , so that was no matter how adjustments can not always reach the desired level of design . Because feeding is not as thin wheel smelting alumina, silicon carbide , the error can not be too raw material through the conveyor belt feeding, in order to weigh accurately is not an easy thing, repeated adjustments , not only can not improve efficiency, but wasted a lot of time.
Now uses a compromise , bypassing tricky feed systems, artificial feed, multi -station press , reduce labor intensity , production efficiency can be guaranteed .
Future still need to broaden our horizons , another  PINEZONE Mounted flap wheel way to design the ideal feed system , if successful, will produce thin wheel the same as the production of coated abrasives , efficient, fast, full mechanization and automation , to bid farewell to the labor-intensive production, thin wheel market will also be earth-shaking changes happen !

abrasive manufacture abrasives market development

Angle grinding abrasives products as an integral part of industrial production and processing consumables , also commonly referred to as industrial supplies. Abrasives using a wide -ranging , mostly  PINEZONE non woven abrasive industrial production will use to industrial processing , industrial abrasives known as teeth reputation. Abrasives product features are only two , one cut two polished . Related to the industry, including machinery , equipment manufacturing, car polish , furniture polish , etc. .
With China's economic development , all walks of life to a large extent progress, but also stimulated the development of abrasives industry , however, the development of abrasives industry has also exposed  PINEZONE PSA sanding disc some problems, technical product innovation, energy saving products and other issues are restricting the abrasives industry . Abrasives industry low threshold, which created a whole industry is fragmented mess , there is no uniform production quality standards.
To maintain the healthy and orderly development abrasive industry , also need to address the following issues : the production capacity of decentralized , small- scale , low efficiency , China's abrasive enterprise scale structure is still quite reasonable, low industrial diversity order , small business still accounts for a large proportion ; new product development capability is weak , the domestic abrasive products are mainly set the PINEZONE abrasive fibre disc  low end, low technological content of products , and the lack of high- technology products , mainly dependent on imports , only to meet the automotive , aerospace , machine tools, bearings, Motorcycle shipbuilding industry needs about 1/3 ; overcapacity, low product homogeneity serious , especially its alumina production .

Abrasive abrasive manufacture more and more attention

 In recent years, the rapid development of China's mold industry, mold industry has changed from subsidiary industries dependent on imports towards independence of the new industries. Abrasives as mold production process consumables, demand in the coming years, and its application in the production process of concern. On the status of corporate mold: mold PINEZONE Bonded abrasives  industry has a relatively broad market prospects, but on the current development of mold companies, due to the financial crisis, the domestic economic downturn and other factors, domestic and foreign orders significantly reduced, given the very low price Most of the mold is difficult to sustain their livelihoods. Plus a variety of costs rising again, a majority of companies have mold face closure.
  When super abrasive grinding wheel, angle grinding a dry or wet milling. But the use of wet grinding, can prolong wheel life, but will also prevent the workpiece grinding burn.
  Different grinding fluids, grinding wheel ratio will differ several times, even 10 times. Wheel mechanical abrasion, chemical attack and thermal injury during grinding is closely related with the cooling effect. Wet grinding with CBN wheel but be noted that due to water vapor PINEZONE cut off wheel  together with CBN at high temperature and the oxygen in the air from the reaction of ammonia and boric acid (BN +3 H2O → H3BO3 + NH3), this hydrolysis reaction is called, will accelerate wheel wear.
   Therefore angle grinding oil or used water-soluble solution with extreme pressure additives to weaken hydrolysis in use. When wet grinding grinding wheel grinding fluid with different relative CBN grinding wheel life is different to the pure oil cooling of the longest wheel life, water-soluble oil-cooled wheel life, followed by cooling water additives plus rust wheel life minimum.
  Grinding wheel with resin binders, metal, ceramic, plating and brazing. Resin bonded grinding wheel is mainly used for measuring blade sharpening, grinding holes, cylindrical grinding and surface grinding; metal bonded grinding wheel for cutting, shaping optical curve grinder grinding, sharpening single-blade knives, grinding small drill spiral grooves, also  PINEZONE portable belt applies to the electrolytic grinding; high grinding efficiency of vitrified grinding wheels, good shape retention, durability, ease of repair, wheel long life, and because of vitrified itself has good chemical stability, heat, oil, acid erosion, can be adapted to a variety of grinding fluids, grinding low-cost, efficient and thus has become the preferred abrasive precision grinding; plating and forming grinding wheel suitable for high speed grinding, also suitable hole efficient grinding (wet milling) and use the jig grinder; brazed grinding wheel for ultra-high speed.

We often say that the silicon carbide grinding wheel is composed by a carbide abrasive wheel.CarbideBlack Silicon Carbide C
Features: black, shiny. Grindability low tensile strength, high brittleness of the metal. High hardness than corundum, brittle stone cutting wheel  and sharp, thermal resistance and good electrical conductivity
Scope: grinding, grinding, honing crude iron, brass, aluminum, cast sheet copper, steel tubes and refractoryBoron carbide BC
Features: gray and black, hardness than black, green silicon carbide, wear resistance
Scope: grinding or polishing, carbide inserts, drawing dies, precious stones, agate, ceramics and synthetic stones, on behalf of the diamond
 Green silicon carbide GC
Features: green, translucent crystals, high purity, hardness and brittleness than black silicon carbide, wear resistance
Scope: grinding, grinding, fine honing, super finishing carbide, precious stones, agate, glass, ceramics, non-ferrous ceramic flap disc  metals, stone and other hard chromium and
 Cubic SiC SC
Characteristics: light green, cubic crystals, higher intensity than SiC, brittleness lower than silicon carbide, grinding ability
Scope: grinding or super finishing stainless steel, bearing steel and other hard and tough materials with high viscosity
 Soft abrasiveChromium oxide, cerium oxide
Features: soft abrasives. Low hardness, easy to scratch the workpiece. Cerium oxide polishing capability strongest softest iron oxide
Scope: Can be made of abrasive paste, respectively. Grinding, polishing steel, hardened steel, cast iron, optical glass sanding roll  and silicon single day. Cerium oxide, chromium oxide grinding efficiency is 1.5-2 times.
Pu Feng Abrasives Co., Ltd. produces a variety of parallel and shaped vitrified grinding wheels, resin bonded grinding wheel, including the level of the grinding wheel, cylindrical grinding wheel, single bevel wheel, cup wheel, bowl-shaped grinding wheel, disc grinder, centerless grinding wheels, crankshaft grinding wheel, grinding wheel, etc. inner circle.

Vitrified CBN abrasive manufacturing technology

High cubic boron nitride (CBN) hardness only to diamond, with a series of excellent physical, chemical and mechanical properties, particularly suitable for processing iron group metal material, which is used to processing and diamond hard and brittle nonmetallic materials complement each other, is a very versatile class of superhard materials, its annual growth rate is much higher than a diamond.
CBN abrasive grinding is grinding the abrasive cloth belt  field of high-tech. Vitrified CBN abrasive which has a strong grinding ability, high durability, shape retention, long life, small grinding force, grinding temperature is low, do not burn the workpiece, the workpiece surface integrity is good and long life, mill repair and replacement with less frequency, auxiliary labor time is short, is conducive to production automation and increase productivity, grinding waste less environmental pollution, and so a series of advantages, is considered to be a class of high-speed, high-precision, low wear cut cost, high-performance abrasive low environmental pollution, competing to become the world's research and development focus and contemporary abrasive product development is an important direction of development prospects. The world's industrialized countries have been grinding its key components used in automotive and other industrial production, significantly stone cutting wheel  improved production efficiency and product quality, and achieved remarkable social and economic benefits.
Currently, this efficient high-precision grinding technology is rapidly expanding field of automobile manufacturing in the world, is also expanding in many other application areas of machine tools, tools, dies, bearings, aviation, aerospace, military and so on. The topic of the technical achievements realized integration, technical level and product performance reached the international advanced level. Technical principles and processes: Vitrified CBN abrasive composites are multi-phase system with grinding purposes. The integrated use of technology related to the theory of ceramic, glass, composites, abrasives and grinding was prepared as a guide, using proprietary ceramic  grinding disc binder, designed by abrasive grinding composition and structure of science, as well as abrasive Preparation of optimal control and, ultimately, abrasive products with the best performance. The main process is as follows: structural design consisting of design → → → mixing ingredients firing → processing → forming → → → finished performance testing; achievement levels and major technical indicators, technical level in the international advanced level.