Embedded debris clogging is embedded in the pores at the wheel working surface

Embedded debris clogging is embedded in the wheel at the work surface pores clogged state. Abrasive type attachment plug is attached by a temporary power after the abrasive cutting surface of the cutting edge a clogging. Adhesion type plug is melted and adhered to the abrasive grinding the cutting edges projecting on weeks or adhesive. Hybrid is more than three types of plug at a small part of the collection or set of layers.
Embedded and dependent-type blocking mechanism
Embedded type  synthetic diamond powder  and debris are mechanically filled voids generated in the wheel clogging. Fill power comes from two aspects, one is external, one internal,  abrasive grinding  the physical, electrical, thermal and other factors. External factors: grinding a very important feature, the radial grind component is greater than the tangential component Fy Fz, Fy / Fz ≥ 2 ~ 10, more hard workpiece materials, plastic smaller, Fy / Fz ratio greater such debris in the grinding zone of the strong  Diamond blade , is mechanically squeezed into the gap in the wheel surface. From the microscopic analysis of abrasive wear debris along the front slide, abrasive local area in front of several layers of debris piled in the back of abrasive, high-speed rotation of the wheel, the formation of a vortex flow area, vortex area significantly reduced air pressure in the negative pressure, so that part of abrasive wear debris attached to the back, forming abrasive flank dependent blockage, dependent mostly ash and particulate matter.

Grinding stainless steel, by scanning electron microscopy

The grinding process is a multi-factor complex, multi-variable process of interaction, which object is achieved by removal of the workpiece material is given a  Abrasive grinding  of high surface quality and precision. Is a grinding wheel abrasive compacts binding agent by drying and sintering the porous body, which is a tiny single abrasive cutting edge, a large negative rake angle and radius of the rounded edge. After a high-speed movement of grain swipe, cut into the workpiece after plowing. Layer material with a clear cut along the shear surface formed after a short slip and thin chips, debris in the grinding zone which is heated to a high  grinding wheel  and then oxidized and melted, and then solidified into particles sphere, in there are also certain tine sphere surface, this globular debris is a major form of wear debris. Grinding stainless steel, by scanning electron microscopy and found that a large number of spherical debris, of course, accompanied Ribbon, debris and ash-like section, a number of these parts will wear debris filled into the pores wheel, attached around the abrasive , causing clogging wheel, resulting in decline in precision grinding, burn the workpiece and shorten the wheel life. Since the holding of vitrified good, very good over the abrasive layer and the adhesion of the roadbed, vitrified diamond grinding wheel in the case of wet debris clogging the probability is very small. In today's machining vitrified diamond plays an important role. Shengchuang superhard materials recommended that you use vitrified diamond grinding wheel cutter, ceramic diamond grinding wheel and coarse diamond PDC using vitrified sand diamond wheel.

Abrasives industry, energy saving

Currently globe in the original landing of the economy, the world economy has entered a period of deep subsided. Marx once said that the world economic cycle changes will be more complex, more agile, from a cutting tools, the different countries of the economic cycle, both w type, there seesaw down, there was a regulation by country u-type, similar point is, there will be economic prosperity with lower, and this non-landing cycles, depending on the environment of the world Synthetic diamond with the government's policy abrasive grinding. Compared focuses on community livelihood security projects, which will undoubtedly stimulate the production sector and the construction industry to pick up, and rely on these two sectors abrasives industry able to ride out the storm, this enterprise may wish to do more for these downstream corporate good service.

Hardware abrasive industry, rapid and better development

First, we must expand the international market. In market development, China's mold industry to seize the opportunity for the transfer of industries in developed countries, seize the opportunity to actively and effectively to vigorously explore the international market. Second, to be effective management. polycrystalline diamond industry to actively guide companies to their attention management, improve management efficiency. Third, we must implement the revitalization plan requirements. Domestic mold associations synthetic diamond to strengthen the Ministry of Industry, Ministry of Finance and other ministries of communication, and actively reflect the situation for an early implementation of the "equipment manufacturing restructuring and revitalization plan" on continuing to support the development of mold industry related policies. Fourth, vendor solutions. Fifth, abrasive grinding expand the whole industry chain. Sixth, the United highlight the "China advantage", continue to develop. Seventh, the green low-carbon economy; cater to the increasingly urgent lightweight vehicles emission reduction requirements and trends in new product development, can be targeted to the development of high-strength sheet hot forming mold, aluminum mold, with a broader vision to explore new career.

Metal abrasives industry issues facing the development of

First, R & D is weak, less innovation. R & D is weak and small scale industries and enterprises, researchers less, but more importantly, business leaders need to have a sense of reform and innovation, now, business Polycrystalline diamond constrained their capacity, needed a breakthrough to enhance learning, innovative ideas in order to there are innovations.
Second, overcapacity issues outstanding. Corundum current production capacity of about 4.3 million tons, less than 30% capacity utilization, according to club understanding of the situation as well as in construction, synthetic diamond of production capacity of about 250,000 tons, will further exacerbate overcapacity generated. Green silicon carbide production capacity of 200 million tons, about 15 percent capacity utilization, there is also a large number of backward production capacity, grinding wheel in the adjustment of product structure, eliminate backward production capacity slowness. Product homogeneity serious, in the tariff, labor costs, rising raw material costs in the case, the enterprise can only reduce the price to share the cost, which is an important reason for the price has been stagnant.
Third, clean production, there are still outstanding issues, especially smelting, abrasive machining process waste water, waste gas, dust and other pollutants lack of governance. Abrasives is referred to as "dental industry", the construction of the railway to assume a crucial role.

Abrasives industry to develop new course

Corundum abrasive is one of the most basic, it crush, oxidation, corrosion resistant, has good chemical stability. Polycrystalline diamond production technology, production costs lower than other abrasives, cost is also better than other abrasives. Therefore, after sixty years of development, polycrystalline diamond has gradually formed a certain scale industrial material system has become the basis for industrial synthetic diamond irreplaceable materials and the national economy an important and indispensable part of the present solid at home and abroad Results abrasives, coated abrasives and refractories manufacturing production occupies an important position. With the development of technology, social progress, corundum application areas will be more widespread, it will become an irreplaceable and indispensable strategic products, thereby maintaining a strong vitality.

Abrasives Solutions

Companies with a lot of abrasives in contact with the process, despite the plethora of performance and stability of the enterprise, but it is Diamond blade that there are still a large number of enterprises in the grinding line between life, at this time, the bosses is to select closed or Local switch is abrasive wheels important. We wish to furniture companies to analyze the survival status of their enterprise abrasives way of salvation.
Furniture industry, there are many synthetic diamond on the loss orders exist a situation of transition in the industry, most companies feel more of a pain and struggle. In such a context, some companies have chosen to close the plant or filed for bankruptcy, while others withdraw completely from the furniture manufacturing industry, switch to do the other.