Some matters tile saw blades should be noted

Industrial profiles blade Precautions
1 Keep alloy saw hanging vertically on the drying rack , be sure to avoid damp places , do not alloy blade flat on the floor or  GUSHI diamond polishing tools shelf, flat lead alloy blade deformation.
2 When using , do not exceed the specified maximum speed. Speed ​​calculations attached. 3 When used, must be with shields, gloves , helmets, safety shoes , safety glasses . 4 When installing alloy saw blade, you must first confirm the performance of the saw table , uses, it is best to GUSHI core bits for concrete  read the manual saw table . Avoid loading the wrong , causing an accident.
5 When installing alloy blade , alloy blades must first check whether there is a split , distort , fill level , after the fall of teeth and other phenomena, then install it. 6 super-hard alloy saw sharp serrated prohibit collision , falling to the ground, must be gently .
7 After loading alloy blade , you must confirm the center hole of the blade is firmly fixed on the saw table flange , gasket must be good washer ; then gently push the hand saw blade confirmation piece rotation is eccentric shaking.
8 alloy blade must cut direction indicated by the  GUSHI abrasive grinding wheels arrow is aligned with the direction of rotation of the saw table . Do not install the opposite direction , installed the wrong direction can cause tooth out .
9 preroll time: After replacing the alloy saw blade, before use pre- turn for a minute , let the saw table to enter the work state , to be cut.

grinding fluid supply requirements more effectively

By spray method for increasing the pressure (1MPa above), increasing the grinding fluid jet velocity, airflow speed rotating grinding wheel broke, the grinding fluid flow into the grinding zone  diamond blades effectively, rapidly remove heat, improve the grinding effect. Used cylindrical grinding nozzle structure, the use of nozzles spaced high-speed airflow baffle will ensure the smooth grinding fluid injected into the grinding zone, while preventing grinding fluid splash.
 When the wheel speed is high, the wheel periphery airflow also strengthened, then you can take appropriate measures, such as adjusting the grinding fluid nozzle orientation. In the air force concrete diamond blades  jet force and effect, so just grinding fluid is injected into the grinding zone; mounting angle of the nozzle spray liquid should just make some up blocking airflow, partially into the grinding zone. Furthermore, you can increase the injection pressure and grinding fluid injection amount, reducing the increase of the nozzle outlet cross-sectional area and the nozzle width.
 High-speed grinding, grinding fluid supply requirements more effectively, use reflective supercharger. When an ordinary pressure grinding fluid from the tube into, sprayed onto the wheel surface through holes, grinding fluid speed centrifugal force is reflected back diamond core drills  booster bottom. The bottom of the grooves and ribs, grooves and the grinding fluid turbulence vortex, at the top of the convex rib dynamic pressure generated from the surface toward the wheel washing action, the cooling effect is significant flushing. The gap of the grinding wheel surface ribs equals 1.5 ~ 5mm.

Diamond grinding wheel before the operation must be sure to go through professional training

Diamond grinding wheel before the operation must be sure to go through professional training, the following are often encountered during operation problems, a quick look:
Side grinding problem:
In grinders everyday use, we often  PCD grinding wheel find that some operators, regardless of the type of grinding machine, regardless of the type of wheel, casually on the side of the grinding wheel to use, which is a serious violation of safety rules of the illegal operation behavior. Procedures used by the peripheral surface should not be used to do the side face of the grinding wheel, this wheel radial strength greater axial strength is small, the operator excessive force will cause wheel broken, even wounding, in the actual The use of the process should prohibit such behavior.
Positive operational issues:
In everyday use, many operators sds drill bits  facing the wheel always used to operate because this direction can be put into effect, in fact, this behavior is grinding machine operation should specifically prohibited behavior. Follow the rules, use the grinder grinding the workpiece, the operator should stand on the side of the diamond grinding wheel, front wheel shall not operate to prevent a wheel failure, or the wheel broken wheel flying flying out.
Force operational issues:
In the grinding machine is used, some operations, especially the younger operators, for the sake of grinding speed, excessive ceramic tile saw  force is too large, which is a very unsafe behavior. Any wheel flat body has a certain intensity, doing so may cause the wheel broken, and even flying out, but also a should be prohibited.

Some of the advantages of diamond tools

Diamond tools are widely used in the manufacturing industry, then how about diamond tools trends? Following is a brief introduction, I hope for your help:
A, variety, product  concrete ring saw series: Domestic Diamond Products showing species diversity, product refinement, the application of the trend of specialization. General scale enterprises have dozens of product specifications, a slight scale enterprises have hundreds of product specifications, larger enterprises with thousands of product specifications and the products can be customized according to user requirements.
2, the product according to user requirements are divided into two classes: the use of diamond tools, habits and cost factors, have been artificially divided into two distinct series: First, a larger amount of relatively low price DIY products, such products have a concrete vibrator  greater market; two major international markets for high-end professional products. As in recent years, China's rapid diamond production and quality improvement to be diamond products production technology continues to improve, China's high-end products, diamond tools manufacturing level has made significant progress, and the price advantage is obvious, professional products in the international market competitiveness has enhanced.
3 In recent years, various formulations of pre-alloy powder, adding rare earth metal carcass powder material applications and single (multi) brazing technology, diamond in the carcass ordered, innovation and other new matrix structure

diamond tool according to which of several varieties classified material

CVD diamond is a diamond material of high wear resistance of pure, non-binding agent, which is at low pressure (<0.1MPa) prepared under. CVD diamond films are coated CVD (CD) and CVD thick (TFD) forms.CD is a CVD (chemical vapor deposition) process, the carbide substrate (K type alloy used) is General purpose blade  deposited to a thickness of about 10 ~ 30μm, composed of a polycrystalline diamond film is made.Matrix is ​​made easy due to complex shapes, it applies to the complex geometry of the tool, such as taps, drills, end mills and band chipbreakers indexable inserts and so on. International instruments the market have a CD tool products, such as the diamond blade saws  Swedish Sandvik's CD1810 and the United States Kennametal's KCD25, mainly for non-ferrous metals and non-metallic materials, high-speed precision machining, tool life than uncoated carbide tools increased nearly tenfold or even several times. Diamond saw blade, but not suitable for processing of metal cutting tools CD a class of composite materials, composite materials because of hard particles in a very short period of time a coating on the surface of the tool will be worn out, so even though prices than similar tools CD PCD tools to be low, but the diamond film and the adhesion between the base material is small, so limiting its wide application.

Speed ​​Cutting Tools Introduction

 Since , and friction will no longer be a major source of cutting heat; same as cutting speed, flank at the elastic tile saw blade  deformation of the workpiece material to keep up with the deformation rate gradually reduced cutting speed, flank friction and thus also reduced, thereby to reduce cutting forces and heat generation beneficial effect. Therefore, in high-speed cutting, the main cutting heat will be derived chips, the temperature rise of the workpiece and the tool are very small, high-speed cutting is also known as "cold cutting." The high-speed machining We usually recommend a new interface standard called HSK. HSK tool by the German Institute of Aachen granite polishing pads  University specifically for the development of new high-speed machine tool - machine interface, and formed a tool for automatic and manual tool change, the central cooling and face cooling, ordinary type and compact 6 kinds of forms . HSK is a small taper (1:10) short hollow taper shank, tapered at the same time when using the contact face and to form a high contact stiffness. After analysis, although HSK spindle connected to the high-speed rotation, will also expand, but still able to maintain a good contact, rigidity of the connection speed of the interface is not affected.

Higher cutting speed can reduce cutting forces

will increase the cutting speed cutting force, thus accelerating tool chipping failure, so a diamond cutting tool machining should not be too low.
Should be avoided in the stationary state the diamond tool and workpiece or other hard object, tool edge to prevent bruising. Operator  granite polishing pad nails and fingerprints easily entrained sand and other hard objects, scratching with nails or fingers directly blade diamond blade may be damaged. Diamond tool knife should be used to detect and adjust optical instruments and other non-contact measurement method.
Should be used plus the amount of alcohol or acetone cotton cleaning diamond tools. Put the tool when not in use rubber or plastic protective sleeve, and placed in a separate knife box.
Using the straight line wiper diamond tools for cutting mirror, requiring deputy angle less than a few minutes, and the tool that may arise during the installation of the installation error of 1 °, so the need for pre-processing tool for the knife, by adjusting the  cutting tools light repair tool edge and parallel feeding direction, in order to get the best surface roughness. The knife is as follows: First, a short machined on the workpiece surface, and then in the 10 to 30 times under the microscope to adjust the tool so that the wiper with a new machined surface of the mirror parallel. Since parallelism higher, and therefore must be patient and repeated fine adjustments. It should be noted: Unscrew the knife lever clamping screw may produce slight rotation of the cutter knife lead to failure.
Because straight wiper blade tool for time-consuming process, so for some precision cutting can be less demanding of the carbide tipped saw blade  mirror radius of 10 ~ 30mm arc cutting tool instead of a straight line wiper tool. The shape of this circular blade cutter tools with contact lenses similar, but reduces the posterior horn, increasing the nose radius. Using this tool the knife is not only simplifies the process, and when an arc worn, after a slight rotation of the tool may be used for another new arc, thereby increasing the tool life. Precision circular single-crystal diamond cutting tool is machining the necessary tools concave mirror.

Point diamond tool

We know that the single crystal diamond is very hard, very difficult process , a single crystal diamond tool in the design of the time to simplify as much as possible to its shape . In addition to General purpose blade  this characteristic of single crystal diamond , there are many other features , this is not introduced .
Single-crystal diamond tool designed to consider when main factors: ① precision parts to be processed ; ② actual processing conditions ; ③ diamond material properties.
Design single crystal diamond tool , you should follow the following principles: ① Because single-crystal diamond high hardness, processing difficulties, so the shape of the tool should be as simple as possible ; ② According to single-crystal diamond brittle, poor impact resistance characteristics , should be combined with the actual processing conditions , through the tool geometry are optimized to improve the impact resistance head ; ③ precision machined parts according to the requirements of the design wiper length , taking into account the ability of the tool to cut thin .
Below are several commonly used tool , for example, discusses the design of single-crystal diamond tool .
Turning your computer's hard substrate
Computer hard disk substrate is used for information storage, the material is aluminum or aluminum alloy , the surface diamond tool manufacturer  roughness of the substrate , the lower storage density, thus reducing the surface roughness of the processing is critical . The same time as the substrate thickness is less than 0.9mm, in order to prevent deformation , should minimize the cutting forces and extrusion processing .
Cutting hard substrate with good rigidity and stability using ultra-precision lathe disk . Cutting depth of about 0.01 ~ 0.02mm, the feed is about 0.5mm. Rigid disk substrate of single crystal diamond tools shown in Figure 1 the shape of the tip . Head has two main cutting edges , the processing can influence the infeed . Longer wiper ensures two directions machining wiper flank wear will not interfere with each other . Two master in the feed direction of the rake face downtilt 5 °, to obtain about 2.5 ° negative rake angle , the chips flow surface to be processed , in order to avoid scratching the 9 inch saw blade  chip surface has been processed . Very sharp diamond tools , edge radius is smaller than 100nm, 5 ° after the angle of the flank face has been sufficiently reduced to the machined surface of the extrusion and friction.
The key quality requirements of the tool blade and the tip is observed under the microscope at 500 times the defect . The design principle is equally applicable to other ultra-precision mirror surface processing tool .

diamond saw blades for cutting metal can cause

1, diamond saw blade is characterized by soft afraid of hard afraid
2, the metal part of the tile cutting blades  plastic material, is for marble, glass, the metal to be "soft" is much more
3, marble, glass is brittle material, harder than the metal
4, diamond is a valuable material, although the diamond saw blade diamond is a man, but it is expensive, it is made by a method using powder metallurgy, that is, the diamond particles in the metal powder mixed sintering rather backward over the blade, the blade is to wrap diamond grinding wheel for metal rubbed off, exposing the diamond particles less than half the sanding discs  pieces, this is the diamond particles exposed head was cut marble "blade"
5, diamond saw blade "cut" marble, it is actually a diamond will powdered marble, marble which will "cut" open to the
6, if using a diamond saw blade to "cut" metal, "soft" diamond particles of the metal will be "glued down" so that the diamond blade failure. Remember: Do not use diamond saw to cut metal!
7, with ordinary thin grinding wheel cutting metal is possible, although this wheel is a metal ground into powder, but colde saw blade  not as good as diamond grit is precious, and that sand is bonded with a special adhesive overall shape, that is, said that the whole can be "cut" of the sand grains, cylindrical sanding off the back of the sand can continue to "cut"

diamond cutter tool wear and process parameters

Diamond hard chemicals belonging to a substance, so the diamond tool is manufactured so hard, diamond tool wear and tool process parameters and the coordination between process parameters have a great relationship, it is necessary to process parameters optimized.
(1) Processing Conditions
Because diamond tool wear their concrete saw blades  load status are closely related, so the processing conditions will have a significant impact on wear. Daixiang Guo and other analysis of engineering ceramic diamond wheel cutting wheel life when the process parameters on the impact that when the other parameters constant, corresponding to the depth of each cut exists an optimum wheel speed; when the cutting depth and the wheel speed is constant, there is a optimum feed rate; various process parameters on the grinding wheel wear effects radial order was: wheel speed - cutting depth - feed speed. Tool wear and machining process parameters and the core drill bits  coordination between process parameters have a great relationship, it is necessary to optimize the process parameters. ZJPei analyzed the situation when grinding wafers, the following conclusions: When the wheel speed is 4350rpm, chuck speed is 590rpm, the grinding force increases, when it reaches a certain peak, back to a lower value, and Click cycle continues, gradually become dull wheel described, when the grinding force reaches a certain value, broken grains; when the wheel speed is 2175rpm, the chuck speed of 40rpm, the grinding wheel when the grinding force is smaller broken. Therefore, the grinding force is substantially constant and high wear rates.
(2) Work material
Different workpiece materials, the sanding belt   fracture toughness, hardness etc difference is large, also affects the properties of the workpiece material wear of diamond tools. It is a professional with a diamond saw cutting tool wear when different stone and said: When cutting hard granite, the diamond saw abrasive wear is mainly macro broken and fall off, because the holding power is not enough, the cutting conditions bad; when cutting softer granite, the full microscopic crystal and abrasive crushing larger proportion, while still high proportion of grain shedding, such wear to keep the blade cutting capacity. XU Xi Peng said: granite in different minerals is to determine the nature and mechanism of deformation failure mode of diamond key. Quartz content is higher, the more intense wear diamond; orthoclase content is clearly high, the sawing process is relatively difficult to carry out; under the same cutting conditions, coarse granularity finer granularity than granite granite more difficult to cleavage fracture occurs.

diamond tool limitations and problems

Cutting tools with diamond iron group material, the friction generated heat causes diffusion of carbon atoms in the diamond into the iron, the resulting diamond coating due to chemical wear and premature failure.
Limit of diamond tools
Regrinding and (or) heavy coating of diamond coated tools is difficult to guarantee the saw blades  quality of the coating formed on the surface as the tool for the pure diamond, so the tool with a diamond wheel for re-grinding takes a very long time. In addition, the growth of the diamond tool used. Preparation of the tool will change the chemical properties of the  wall saw blades surface, since the coating of this chemical properties requires very precise control, so the effect of the tool recoating difficult to be guaranteed.
Problems diamond tools
Diamond coating spalling can prevent flaking coating of diamond-coated tools are a serious problem, but also a common problem (especially in the processing of materials like carbon fiber), will lead to unpredictable tool life. The late 1990s, interfacial chemical properties were identified as affecting the diamond coating adhesion properties of important factors. By selecting good compatibility Carbide chemical characteristics, the  cbn grinding wheel use of appropriate technology and reasonable pre-deposition reaction conditions, it is possible to reduce or eliminate the diamond coating spalling, stably smooth wear patterns. Observed under the microscope normal wear diamond coated tool, you can find the diamond was worn until stable carbide substrate, without chipping or peeling.

granite important performance

 (1) has a good decorative performance, applicable to public places and outdoor decoration.
 (2) has excellent processing performance: sawing, cutting, polishing, drilling and carving. Its precision up to 0.5μm or less, brightness up to 1600 or more.
 (3) good wear resistance, 5-10 times higher than cast iron.
 (4) thermal expansion coefficient is small, not easily deformed, and indium steel similar to the  grinding cup wheels influence of temperature is minimal.
 (5) elastic modulus, than iron.
 (6) good rigidity and damping within the large, 15 times greater than steel. Can shock, shock.
 (7) granite brittle, damaged after only a partial loss, without affecting the overall flatness.
 (8) granite chemically stable, not easily weathered, acid, alkali and corrosive gases, erosion, and  grinding wheels chemical resistance is proportional to the silica content, the service life of up to 200 years or so.
 (9) granite is not conductive, non-magnetic, the field is stable.
  Typically, granite divided into three different categories:
  Fine-grained granite: feldspar crystals of an average diameter of 1/16 to 1/8 inch.
  Medium-grained granite: feldspar crystals with an average diameter of about 1/4 inch.
 Coarse granite: feldspar crystals average diameter of about 1/2 inch diameter and larger crystals, and  wood drill bits some even reach several centimeters. Relatively low density of coarse-grained granite.
    In recent years, monument building stone used in 83% of granite, marble and 17%.

diamond saw Introduction

 After pondering the diamond is a diamond, diamond is a natural mineral, is a rough diamond. Simply put, diamonds deep in Earth pressure, high temperature conditions to form a composed of carbon elemental crystals. Although human civilization thousands of years, but it was discovered and the initial understanding of the diamond is only a few hundred years, and really uncover the mysteries within the diamond blade saws  even less time. Prior to this, it's just fabulous along with religious worship and fear of the legend, while it as brave, power, status and dignity of the symbol. Today, diamonds are no longer mysterious, but not only can enjoy the royal treasures. It has become the people they can have, wear mass gems. Diamond's culture and  diamond core drills long history, more people today see it as a symbol of love and loyalty.

concrete Driving Precautions

Concrete mixer commonly used in the concrete core bits  construction field, is used to transport concrete building dedicated truck. Because of its shape like a snail, it is often called cement trucks. Such vehicles are equipped with a rear cylindrical mixing drum for loading mixed concrete. The mixing drum even when driving on the road the diamond polishing pads  driver is also kept turning, the only way to prevent the carrying cement solidification. Then, pulling dozens of tons of "moving" of the goods, operation and general goods What are the different? Driving this car and what precautions do? Concrete mixer one can narrow the 30 tons of cargo took such a heavy things uphill, downhill, turn. slightly handled properly it may cause a rollover in this regard LIU Ji-red deep emotion. "Because we fight back in the car kept turning, turning, if turning direction and bucket rotating in the grinding stone  same direction it would have to be particularly careful .. We know the centrifugal force generated when the car turns