显示标签为“concrete blades”的博文。显示所有博文
显示标签为“concrete blades”的博文。显示所有博文

2014年3月3日星期一

Diamond tools used in the cutting machine tools

Application of this riveting film and cutter body data screens ( both monocrystalline Jingang Gang prepare cutting machine tools and Jingang Gang Stone Stone film insulation machine 's strengths , is a very narrow use of promising new tools. Jingang Gang riveting thick stone machine to create a way Jingang Gang thick stone forming thick stone because angle , wear resistance , and there is no heat conduction , because rare cutting machines , wire cutting , whispered wave processing technology are no practical way GUSHI stone polishing pads  in gold just thick stone cutting , laser cutting approach is rarely used laser cutting can be no cutting into the thick stone Jingang Gang shape and propriety demands , but also indirectly cut out the correct angle and the name of the machine thick former angle normal Jingang Gang stone cutter in ° as standard, based on demand can now + ° within the scope of the selection. following conditions are emphasizing cutter knife strength and abrasion resistance . too can adopt a negative rake angle (° inside and outside ) . negative normal posterior horn in ° as standard, based on the use of the environment can be selected within the scope of being ~ ° . above the rake face and the flank angle is formed wedge °, to lose high-precision data tower knife body function and riveting as the blade is cutting data although there is no direct contact with the body being cut , but because of the base to the supporting role played Jingang Gang Stone film , which requested its existence is just a higher resistance, thermal contraction coefficient Jingang Gang Stone film approximation and excellent riveting and so on. eyes rarely used machine data have carbide ( , , etc. ) , ceramics ( , , etc.) , high-speed steel, carbide , and is the most immediate way out of stagnation knife up study . carbide body is real fundamental data information , and its angle is high, but also because of the angle under normal sintered body , red hardness and better at room temperature is  GUSHI drum wheels between ~ 9; ℃ seq angle maintained unchanged compressive strength. maximum reach , the normal is ~ ; flexural strength at room temperature is between ~ inertia high modulus , generally (~) ×; room temperature just good, no plastic deformation is clear , from the film may be very Stone Jingang Gang just support role Jingang Gang thick stone cutter body with no secondary data connection two ways : in the name of Jingang Gang stone non-metallic brazing method and active brazing welding method is the application of the nominal front -solving skills ( such as ion beam sputtering , etc. ) , is the name of Jingang Gang stone plating non-metallic ( eg , etc. ) , so in the name of non-metallic or non-metallic deposit is functional . nonmetallic stone in the name of Jingang Gang film is excellent material for needle deposit base weldability , may adopt non-metallic bonding process between the pin riveting . such an approach needs to stop Jingang Gang Stone film in the name of non-metallic technology solutions , increasing the difficulty of preparation . activity solder pin feed riveting law is being able to exit with the excess Jingang Gang nominal carbon radicals stone membrane reaction carbide formers , applications pin welding process for the activation of carbides of elements to be welded film Jingang Gang nominal stone , stone Jingang Gang needle wetting solder film to complete its processes. knife non-metallic body and the coupling base body will lose Jingang Gang stone thick carbide compound is coupled to a blade of non-metallic substrate , the number of sub- coupled approach has generally species : ⑴ ⑵ soldering machine coupling reinforcing resin adhesive ⑶ ⑷ loaded into the hot press . within the brazing method using at most . brazed carbide compounds Jingang Gang thick stone blade on the intensity of use of solder , the normal use of copper-based needle GUSHI sanding discs  material, silver-based materials such as needles . But consider the crack to prevent oxidation riveted to narrow Jingang Gang Stone converted to graphite trends, can make use of the low melting point solder as well, is the use of secondary carbide needle common silver-based solder pin material . In order to better cover Jingang Gang Shi no conversion to graphite , the best and being a vacuum or under an inert atmosphere environment pin welding. Jingang Gang thick stone grinding machine grinding machine Jingang Gang thick stone approach to secondary 9 _ no mechanical grinding ( include Jingang Gang Stone _ mound sub ​​Jingang Gang powder grinding and polishing ) . Non-metallic disc grind hot meal , a laser beam, ion beam machining and plasma etching body . Jingang Gang abrasive powder with a low frequency, high frequency Jingang Gang grinding stone mound child , and did not stop with the adoption of the child roughing mound granularity is Jingang Gang thick stone tools lost in the name of better brightness . Hot nonmetallic abrasive disc is being under low temperature environment , the application of the iron group elements and the response so Jingang Gang Shi Shi Jingang Gang graphitization principles in addition Jingang Gang stone. Such an approach using the name of rough grinding surface of the extent to Dhaka . Stop in the name of the thick film with a laser finishing, processing frequency but high quality without the high nominal processing only suitable for roughing and semi-finishing activity factor to choose the active brazing filler metal brazing and soldering Jingang Gang rock hard alloy solder used in the activity , in addition to contemplate solder alloy for Jingang Gang Stone film and wetting environment must also consider joint morphology under vacuum heat stress and environmental factors solder for brazing process reactions.

2014年1月13日星期一

Alloy Saw What Precautions

One must carefully read the items mentioned in the manual cutting machines and packaging shell on the front. 2, according to the material being cut blade varieties to select and check the blade for cracks, distortion, lost teeth, do not use if damaged blade. 3, be sure GUSHI turbo diamond blade  to install the cutter blade guard when using the shell, and wear masks or protective eye. 4, please check before installing blade cutter spindle is beating, when you install the blade with flange and nut set tight, people must be the center hole of the blade and is firmly fixed on the flange, according to Taiwan after installation, gasket sets must be purchased after a good hand gently push the blade when the washer confirm whether the eccentric rotation shaking. 5 job to be cut before use after installation Alloy saw pre-turn for a minute, until the machine into operation. 6, when the non-automatic cutting operation, you must gently cut into the normal operation of the blade material is prohibited Forced straining hard to push. And prohibit reverse ban suddenly stopped in the middle of the blade material is cut, otherwise lead to jagged off, saw  GUSHI concrete polishing pads body deformation, prone to danger. 7, using hear abnormal sounds, see abnormal shaking or section does not usually stop the job and find the cause of the exception, the timely replacement blade. 8, please wipe the rust after cutting oil, to prevent the blade is not used for a long time and rust. 9, insert the blade perpendicular to the tool holder to hang in a dry, avoid damp areas. Do not place the blade flat on the ground, otherwise easily lead to blade deformation. Do not directly stacked multi-chip saw blade should be spaced packaging to avoid jagged collision should gently. 10, again when the blade is not sharp serrated grinding, grinding is not easy to destroy serrated timely original angle, the impact of cutting accuracy and shorten blade life.
First, how to choose the right blade?
1, the basic data: ① machine spindle speed, ② workpiece thickness and material, ③ saw blade diameter size and pore size (shaft);
2, selected on the basis: the number of revolutions of the spindle and intends to match the outer diameter of the blade computing, cutting speed: V = π × outer diameter D × revolutions N/60 (m / s) is generally reasonable cutting speed 60-90 m / second,
Specific recommendations:
Material cutting
Softwood 60-90 (m / s)
Hardwood 50-70 (m / s)
Particleboard, plywood 60-80 (m / s)
Cutting speed is too large, machine vibration, voice large blade stability is reduced, degradation processing, cutting speed is too small, reducing production efficiency. The same feed rate per  tooth cutting increased, affecting the processing quality and life of the saw blade. Because the blade diameter D and spindle speed N is a power function, in practical applications, a reasonable increase speed and reduce the diameter GUSHI diamond polishing tools  of the blade is most economical.
3, quality bid:
As the saying goes: "not good goods cheaper, better goods are not cheap," probably true for other commodities, but it is probably not the right tool tools Sure; crucial match. Job site on many factors: such as sawing device object, quality requirements, quality of personnel. Comprehensive assessment, rationally choose the best use, just right in order to save money, reduce costs, participation in the competition. It depends on the expertise of similar products and understand the information.

2013年12月12日星期四

About the multi-chip saw blade aperture , tooth and coating

Multi-chip saw blade aperture
Multi-chip saw blade aperture of course, first look at the requirements of the machine , because it is a multi-chip installed together , in order to ensure stability, the general design of the aperture is larger than conventional blade aperture , the aperture while the Concrete saw blades  majority of the increase , plus a special method of installation Flanges and keyway design to facilitate adding coolant , but also increase stability. General 110-200MM blade aperture between the outer diameter of 35-40 ,230-300MM blade aperture between the outer diameter of 40-70, 300MM over the blade is generally less than 50MM.
Multi-chip saw blade tooth
Multi-chip saw blade tooth is generally around the turn of the teeth , but a few small diameter blades are also designed to be flat teeth .
 Multi-chip saw blade coating
After the multi-chip saw blade welding grinding is completed, usually coating treatment , reportedly can extend life, it is mainly for blade looks beautiful, especially in multi-chip saw blade with scraper, welding current level , scraper Department has very obvious traces of welding , so before coating treatment , in order to maintain appearance. Plus multi-piece welded carbide saw blade on the saw blade matrix , collectively scraper. General core bits for concrete  since the beginning of the scraper blade outer scraper blade and teeth , the cutting blade is generally used for hardwood , wet outside scraper generally used for cutting wood , tooth scraper used for trimming or edge blade , but can not be generalized . Rui Shi to multi-chip saw blade , for example, the general design of the blade 10 inches below the number of 2-4 , in order to allow the blade play the biggest role , mostly designed for outer blade , 12- inch blade design and the number of 4-8 inner and outer blade scraper each half , symmetrical design . Multi-chip saw blade with scraper is a  4 inch saw blades trend of foreign companies before the invention of the earlier multi-chip saw blade with a blade . When cutting wet wood and hardwood , in order to achieve better cutting effect , reducing tooth paste blade burning piece of machinery to increase chip capacity, reduce the number of grinding and increase durability. However , multi-chip saw blade with a blade grinding difficult , generally can not be grinding equipment , the price is also relatively high .

2013年12月3日星期二

Electroplated diamond and CBN tools

Electroplated diamond and CBN tools , brazed diamond and CBN tools, diamond and CBN grinding wheels , brazed carbide nibs tools, carbide burrs . The company has already passed ISO9001, ISO14001, ISO18000 certification. With excellent production technology and strict quality General purpose blade  control system, the products are widely used in machinery , glass, semiconductors , stone , and other areas of Kennedy , hard, brittle and difficult to machine materials. Enjoy a high reputation in the international market . Followed a " careful, novelty , what customers think " concept , as well as to meet the new requirements of the market continues to improve , and we are working to develop a variety used for cutting , grinding and polishing of new products. Welcome to the new and old customers and our company to work together Concrete saw blades  for common development !
Vitrified diamond wheel with precise rigidity, heat resistance, corrosion resistance , easy to plug fever , high grinding efficiency, easy dressing and so on. 0 ~ 1/8Λm using diamond abrasive grains bonded by low melting temperature heating to prevent graphitization of the diamond abrasive grains during sintering occurs , the success of a binding agent made ​​of porous ceramic diamond wheel . That , when the SiO2, Al2O3, B2O3, CaO , etc. appropriate weight ratio , and does not require a non- reducing atmosphere, inert grinding cup wheels  atmosphere during sintering , and can be sintered at a low temperature in the atmosphere 720 ℃ , the diamond abrasive grains may oxidation .
Precision metal bond diamond wheels with high hardness, abrasive and good holding power . Adding aluminum binders of different elements , studied the optimal sintering temperature aluminum bonded grinding wheel , and found that adhesion Al2Sn2Ti2Ni2Co bonded diamond grinding wheel grit and a strong bond . Made by vacuum sintering method Ni2Cu and Ni2Cu2Sn bond diamond wheel and studied mechanical properties and surface state binding agent.

2013年12月1日星期日

vitrified diamond and CBN grinding wheel slotting process

1 Overview
  Evolving cutting tool materials, from high-speed steel, tungsten, ceramic metal oxide ceramic micro-particles until tungsten. At the same time, the geometry of the tools of new materials, structures, and even change the shape aspect is also changing, led the development of grinding technology, the ceramic tile saw  emergence of new tools for grinding and finishing techniques, as well as a new way of binding agents. This grinding equipment accordingly requests, high power, high material removal rate become a trend, and on this basis is in the processing of higher requirements can also achieve the same machine trimmed.
 On the economic assessment of the grinding process will involve the machine costs, labor costs, management fees and tool costs. Among them, labor hours and machine costs account for as much as 80 percent, which determines the need to improve the economy, the need from the  diamond hole saw following two aspects: 1) high material removal rate, that improve grinding efficiency; 2) to reduce non-grinding time . Enhance the material removal rate by increasing the feed rate and feed rate to achieve every time, and in order to reduce the non-grinding time, consider reducing the frequency of wheel replacement time, as well as aid in the machine grinder trimmed to achieve their goals.
  Recently, has emerged to replace the usual use of resin bond diamond and CBN grinding wheels ideal alternative - vitrified diamond and CBN grinding wheels, grinding its superiority in terms of these two aspects is built in to improve the economy of the above, especially in terms of processing slotted, more fully reflects its advantages.
2 Vitrified diamond or CBN grinding wheel grooving state
  It is undeniable that, because of its strong grinding force and high material removal rate, softer resin bond diamond or CBN grinding wheel in the current machining carbide or high speed steel cutting tools are still to be widely used. However, an increasing awareness of the tool manufacturer, resin bonded grinding wheel there is a lower than poor shape retention and drawbacks, which makes the high cost of machining groove, especially the use of shape processing 14F1 When circular groove, this phenomenon is more serious.
 The vitrified diamond or CBN grinding wheel is able to overcome this shortcoming, it is not only easy to repair, maintain good, but also help to control the chip and the heat of formation of pores, with a strong grinding force.
Usually installed in each wheel, radial and  General purpose blade axial runout will appear, as well as dynamic imbalance and other issues in the use of ceramic binder will encounter, so do not be handling and interior trim will contribute directly to the machine significantly Improved accuracy of the wheel.
3 Vitrified diamond or CBN grinding wheel grooving to use examples
 Grinding parameters:
 Margin ae = 3,5 mm; feed speed vf highest 150mm/min; cutting speed vc = 12-44m / s.
 Trimming parameters:
Wheel feed rate vcd = 18m / s; wheel and wheel speed ratio when dressing qd = 0.7; Feed aed = 3μm.
4 trim system
 Single piece of diamond or CBN grinding wheel vitrified high cost, which is only valid ground floor just a few millimeters, is calculated to be trimmed if added, soon ran out, the amount actually used in the grinding of a workpiece Only 5-10% of the grinding wheel layer, the rest is actually out of the repair. Therefore, the correct way of dressing is very important.

2013年11月19日星期二

CBN grinding wheel dressing cycle is long

  CBN abrasive hardness higher than normal , high hardness means more sharp

and cutting stronger ; CBN has a higher wear resistance, means that it is

harder than ordinary abrasive wear ; ability  sds drill bit  to maintain the shape of CBN

abrasive high-performance one of the main characteristics of the abrasive ;

CBN high compressive strength , which means that in the harsh conditions of

use it can remain intact and not broken particles ; CBN has good thermal

conductivity , the grinding can be achieved when cold cutting .
1, high hardness, high toughness CBN human hardness only to diamond synthesis

of superhard material is much higher than the normal corundum and silicon

carbide abrasive , and thus has a flap wheels  better cutting ability , more sharp.
2 , high temperature resistance , good thermal stability .
3 , chemical inertness . 4 , good thermal conductivity . 5, the grinding

performance, good surface quality 6 , abrasion resistance and longer life.

CBN grinding wheel ratio up to 3500-5500 , a hundred times more than ordinary

high corundum grinding wheel , diamond grinding wheel 3-5 times higher than

that . 7 , environmental pollution, energy saving. Without too much powder

dust. 8 , high efficiency, good overall economic efficiency . Sharp grinding

, grinding force is small , CBN grinding wheel dressing cycle is long ,

finishing less the amount , the replacement for a long time ; long life

cycle, grinding ratio , getting a better economy, in use to maintain good

shape , without regular replacement wheel and wheel dressing , saving time ,

improving working conditions , is  stone drill bits conducive to the machining operation .
   Cubic boron nitride (CBN) is not suitable for grinding carbide and non-

metallic hard materials . In the grinding temperatures , CBN case of alkaline

aqueous chemical reaction occurs , CBN wheel at 300 ℃ alkaline solution will

be decomposed in boiling water to trace decomposition destroyed crystal

grains will result , so that when grinding only use oil-based coolant , not

water-based coolant.

2013年10月25日星期五

diamond tools classification and diverse models

Diamond tools classification and model diversity, then we in the use and maintenance What precautions do? Here are the next, for your reference.
One can not be a single point diamond dressing tool head vertically aligned wheel center, which normally takes tilted 10-15 °.
2, diamond tools in place to clamp head, be careful not to bump into the wheel surface.
3, heat dressing tools can not be "hardened" in the dry dressing must be kept trimmed twice the interval sufficient to heat the dressing tool cooling.
4, can not assume wheel surface with  cutting wheels an ideal flat. When trimming the beginning to find the highest point of the wheel position for trimming.
5, if possible, in addition to the amount of each wheel of the repair, the radius of the wheel can not exceed 0.001 inches. In addition to the amount of the repair is too large diamond dressing tool head can cause premature wear and often broken. diamond wheel some of the issues 1 cutting wheel installed at check carefully before you confirm whether cutting wheel deformation, cracks, chipping and so on.
2 Use the wheel cutter, you must  4 inch circular saw blade follow the wheel size specifications and performance options to use wheel cutter specifications.
3 First use the alignment angle, note the distance ≤ 0.5mm, Xu Xiangqian forward, both contacts must never force to avoid damage.
4 If you are using does not match the workpiece to be cut with a cutting wheel, prone to abnormal wear, sharp bad, abnormal fever.
5 cutting process if abnormal, should  hole saw blades be shut down immediately.
6 When the cutting is not sharp, to be trimmed on the blade wheel. If you continue to use overheat, overload leaving the wheel breakage.
7 wheel rotation, is strictly prohibited hand-operated cutting, not by hand, and physical contact wheel.
8 cutting wheel is strictly prohibited except for grooving or cutting operations, to avoid uneven force abnormal
9 natural diamond extremely hard, wear-resistant non-edge, not collision, so as to avoid undue loss.

2013年8月15日星期四

how to choose the right blade

1, the blade selected basic data:
① saw blade outer diameter, the hole diameter;
② cutting object's material, shape and thickness;
③ cutter spindle speed.
2, saw the basis for selection:
International requirements for timber cutting line speed of 40 ~ 70M / S. The industrial sheet metal due to quality and sawn boards are better quality, better quality welding, cutting speed can exceed 80M / S, generic tablets, DIY film quality due to alloy and  sds drill bits sawn boards are poor quality, cutting speed should be relatively low Some.
Cutting speed is too small, the production efficiency; while rapid increase friction, heat stability decreased saws, alloy damage accelerated decline in the quality of the workpiece surface.
Cutting speed is too large, the  concrete saws friction heat increases, machine vibration, noise is also large, cutting stability decreased, the surface quality of the workpiece is decreased; cutting material of the alloy also increases impact resistance, chipping prone alloy phenomenon.
In practice, by reducing the diameter of the methods to reduce the cutting blade speed; speed to increase by increasing the cutting speed.
Second, on the question blade purchase price
Carbide also has high hardness (wear resistance) and brittleness (poor impact resistance) characteristics, the carbide saw blades  characteristics determine the most wear-resistant alloys are not accompanied by the best saws can get the longest use life. However, the object can be cut material properties, thickness, quality requirements to select a different hardness, strength of the alloy and the rational design of the tooth to achieve the best match between, get the longest life, the highest cost performance.

2013年8月9日星期五

granite and marble differences

 Granite is igneous intrusion by the underground magma cooled and crystallized, and granitic rocks like. Crystal structure and with visible texture. It consists of feldspar (usually potash feldspar and oligoclase) and green concrete blades  quartz, mixed with a small amount of mica (biotite or muscovite) and trace minerals, such as: zircon, apatite, magnetite, ilmenite and sphene and so on. Granite main ingredient is silica, the  concrete core bits content of about 65% - 85%. The chemical properties of granite is weakly acidic.Under normal circumstances, whitish or gray granite, because mixed with dark crystal, with the appearance of spots, feldspar join makes it red or flesh-colored. Granite is formed by the crystallization of magma cooled slowly, deep below the surface, when the cooling rate is unusually slow when it forms a very rough texture of granite, known as pegmatite. Granite and other crystalline rocks form the basis of continental plates, it is also exposed to the surface of the earth is the most common intrusive rocks.Although granite is considered by melting the material or the formation of igneous magma, but there is plenty of evidence that some form of granite rock is locally deformed or previous product, they do not go through the process of a liquid or melted to rearrange and recrystallization.The proportion of granite between 2.63 to 2.75, the compressive strength of 1,050 ~ 14,000 kg / sq cm (15,000 to 20,000 pounds / square inch). Because the  sanding paper intensity ratio of sandstone granite, limestone and marble, it is more difficult to exploit. Since the formation of the special conditions of granite and structural characteristics of the firm

2013年8月2日星期五

What are the characteristics of carbide as well as its range of applications

 Green silicon carbide suitable for grinding and brittle metallic and non-metallic materials, such as copper, brass, aluminum and magnesium, and other nonferrous metals and  diamond blades gems, optical glass, ceramics until non-metallic materials. Ultrafine powder is  advanced ceramic materials.
1) Main features: high bulk density, grinding ability, high hardness, cutting ability, concentration and particle size distribution uniformity; has a high temperature, high strength, good thermal conductivity, impact, indirect heating materials for concrete blades  high temperature.
2) Adaptation: Green silicon carbide abrasive widely used in a variety of industries, jade gemstone polishing, glass, steel, plastics, electronics, solar cutting, die casting, refractories, Aerospace Defense, building roads, the apparel industry ( denim sandblasting), beauty tools, metal grinding, ceramic grinding block is also suitable for manufacturing abrasive grinding wheels.
3) Physical indicators: microscopic shape is a grinding wheels  hexagonal crystal, silicon carbide Mohs hardness of 9.5, micro Vickers hardness of 3000 density - 3300 kg / mm 2, Knoop hardness is 2670-2815 kg / mm, microhardness 3300 kg per cubic millimeter. In abrasive corundum, and ranked higher than diamond, cubic boron nitride and boron carbide. Density is generally considered to be 3.20 g / mm 3, silicon carbide abrasive natural green silicon carbide bulk density of 1.2 physical and chemical indicators.