Grinding guides affect the grinding accuracy when operating a7" cut off disc for stainless steel understant that the guide rail is the most important support component in the machine. Its processing accuracy directly affects the working accuracy of the machine. However, the guide rails are mostly hollow thin-walled parts that are cast and have a complicated structure. It is easy to produce warpage, bending or distortion under the action of grinding force during processing. If the workpiece is improperly clamped or under the influence of its own weight, it will also produce large deformation. In addition, under the influence of grinding heat, temperature difference and internal stress of casting, large deformation will also occur, which are unfavorable factors affecting the machining accuracy of the guide rail, and effective control and prevention measures must be taken. The machining quality of the guide rail surface is required to be high. Therefore, it is very important to correctly select the grinding method and process parameters of the guide rail surface.
Most of the rail faces are made up of a combination of flat and beveled surfaces, so circumferential grinding or end grinding is used for grinding. In order to improve the grinding efficiency, it is also possible to use a plurality of forming grinding wheels and an auxiliary grinding head (grinding side plane) to achieve forming grinding, and to use a combined forming grinding wheel to grind the rail surface at a time. Obviously, multi-grinding wheel grinding and combined forming wheel grinding have high grinding efficiency, but the structure of the grinding head is complex and suitable for mass production. It must be pointed out that when the plane of the guide rail is coarsely ground by the end grinding method, the axis of the grinding wheel can be inclined by 3° to 5° to reduce the contact area between the grinding wheel and the workpiece, and to improve the heat dissipation condition. In order to ensure the cutting precision, the diameter of the grinding wheel should not be too small, generally 1.3-1.5 times the width of the guide surface.
Diamond cutting discs made by electrochemical methods, including diamond dressing cutting discs, diamond cutting discs for grinding or cutting.
The known China cutting disc for metal manufacturing process is as follows: the cutting disc working layer contains diamond abrasive grains, and the diamond abrasive is bonded to the substrate by a metal bonding agent. First, the thickness of the deposited metal bond is 20% of the height of the diamond abrasive particles, and then the diamond abrasive particles are continuously bonded with a metal bond to a thickness of about 2/3 of the height of the abrasive particles. The disadvantage of this method is that the diamond concentration on the working surface of the abrasive tool is too large.
Several known methods for adjusting the diamond concentration on the working surface of an electroplated diamond cutting disc are as follows:
The diamond abrasive is premixed with a filler which may be a salt, a glass sphere or a magnet particle. After bonding, 20% of the filler particles are bonded by a metal bond, and these fillers are removed by the following methods: dissolution, sublimation or magnetic field. In this method, the particle size of the filler is approximately equal to the size of the diamond abrasive particles, and the amount of the filler is such that the diamond on the working surface of the abrasive tool reaches a prescribed concentration. The disadvantage of these methods is that the removal of the filler is complicated and requires a specific set of methods.
Another method for removing the filler is to use a spherical particle with a smooth surface. The thickness of the metal bond is first deposited to 20% of the height of the diamond abrasive grain, then the filler is brushed off, and finally the metal bond is continued. Deposited to the specified thickness. The method utilizes the effect that the metal binder has different particle holding ability for different surface roughness and shape, and the disadvantage is that the particle size of the filler is equivalent to the size of the diamond abrasive grain, and thus is in the same plane after bonding, and the filler is removed by mechanical means. At this time, it is possible to brush off some of the diamond abrasives together, especially those with a shape close to the equal shape and smooth surfaces.
As a modification of the above method, the filler size is selected to be 1.5-5.0 times the size of the diamond abrasive particles: the diamond abrasive is bonded by a metal bond layer of about 20% of its height during the first electrodeposition with the metal bond. And the filler particles are bonded by a metal bond layer having a thickness of about 4-13% of the height. The metal bond layer of this thickness cannot hold the filler particles of any shape and any roughness, and thus the brush, The oil stone and the tool collide gently to remove the filler from the surface of the cutting disc.
This process simplifies the manufacturing method of the electroplated diamond cutting disc and adjusts the diamond concentration on the working surface of the cutting disc.
The hundred impeller is a simplified product of the thousand impellers. It is mainly used for grinding and polishing in industrial production, and is also a kind of industrial consumable products. The impeller base has mesh cloth, nylon, plastic, steel paper, etc., and the sheets are not equal, and are evenly distributed in a fan shape. Particle size 36#-400#, the most common 60#, 80#, outer diameter 4"-7" cut off disc for stainless steel is installed in the angle grinder, used for the welding and grinding of the weld, the positive edge burr, and the shape Used for interchangeability of grinding wheel, it has the advantages of good elasticity, high efficiency, good heat dissipation and low noise. It can replace the resin type grinding wheel. It has strong elasticity, high tensile and bending strength, self-sharpening and grinding. The high rate and low noise are suitable for the grinding of the welds in the box and the flashing of the stamping parts. Mainly used in the grinding and polishing of various stainless steel and carbon steel structural parts.
The cutting force of the hundred impeller is relatively strong, and it can adapt to the cutting process of different strength materials. Its heat and wear resistance can also complete large-scale equipment grinding and polishing. It has strong hardness and long service life. Several times. Its main uses are as follows:
The main purpose of the hundred impellers is in the fields of shipbuilding and machinery, especially in the construction industry and the metal non-metal manufacturing industry. It is recognized by various manufacturers. Within these fields, the use of a hundred impellers achieves good cutting and grinding results, ensuring that the equipment being processed meets the standard specifications. It can be said that the hundred impeller is the leader in the cutting tool.
The hand cone method was first applied to the hardness test of the grinding wheel in 1926. This method is relatively simple. The inspector uses a steel cone to manually insert the surface of the cut off disc for stainless steel and rotate it. The hardness and hardness of the grinding wheel are judged according to the feeling and the depth of the insertion. This method is completely based on the experience and feeling of the inspector. There is no quantitative data and the precision is low. It is difficult to quantify the graded hardness.
Similar to this method, there is Japan's Daeue test method, which is applied in Japan, Canada, and Taiwan. The Da Yue test method belongs to the mechanical cone measurement method and is developed on the basis of the hand cone method. This method can also be applied to rough China cut off disc that cannot be measured by sandblasting.
Due to the mechanical structure, the force, the rotation angle and the like are basically stabilized, the measurement reliability is improved, and the measurement result can be quantified, which is a reasonable measurement method. Similar to the hand cone method, there is also a scratch measurement method: this aspect is similar to the definition method of Mohs hardness. In practice, a grinding wheel of known hardness is used to draw another grinding wheel of unknown hardness, according to how much the abrasive falls off. To judge the hard and soft. Japan developed it into a mechanical scratch test method, which can achieve quantitative measurement of the fixed force. The former Soviet abrasive abrasives standard stipulates that the hardness of rubber abrasives is determined by the pressure cone method. In these methods of measuring hardness, the measurement force depends on both the strength of the bonding agent and the toughness of the high performance cutting disc, so the measured hardness does not reflect the inherent hardness characteristics of the grinding wheel.
thin abrasive cutting disc for metal
I. Do not use the cutting machine to contact rainwater or use it in a humid environment to avoid electric shock.
2. It is forbidden to block the vent of the cutting machine and prohibit foreign matter from entering the cutting machine:
lest to cause burning or malfunction，Foreign objects can spill and cause danger.
3. When the cutting machine is working, do not touch the moving parts to avoid the hands being caught.
4. It is forbidden to use the cutting machine continuously for a long time, so as to avoid the high temperature affecting the performance of the machine and damage
5, the cutting machine is prohibited from falling
So as not to damage the machine.When working at height, pay attention to the surrounding environment, there are no people standing underneath.
6. Use the specified blades and accessories, otherwise it may cause malfunction, accident or injury.
7. Use the specified oil, otherwise it will cause power shortage and damage the machine.
Electric grinders come in many different models and names. They are usually in the shape of a pen. They can be held in one hand. There are multi-speed high-speed motors. The speed can reach thousands to tens of thousands of revolutions per minute. The output shaft of the motor (pen end) Through several kinds of chucks, it can be connected with drills, milling cutters, grinding wheels, grinding heads, grinding wheels, cutting blades and other accessories.
cut off disc for stainless steelSafety preparation
The electric grinder is a high-speed tool that generates vibration during operation. When cutting, it will produce a lot of debris and powder. When the cutting temperature is too high, it will also cause the workpiece to melt, decompose and even burn.
Therefore, before using the electric grinder, it is necessary to do the following protection:
Goggles for plastic lenses are better for fitting the face and bridge of the nose;
For masks that can filter dust and fumes, it is recommended to use a gas mask with a replaceable filter element;
The workpiece is wood, plastic, leather, etc., which will generate harmful gases.
A glove, please wear it on a non-dominant hand to operate the workpiece; and hold the hand of the electric grinder, please do not wear gloves to avoid slipping and causing secondary injury;
Always pay attention to vibration and stop in time before the danger occurs.
There are four ways to fix the electric grinder:
Hand-held, this operation is more flexible, suitable for curve cutting and grinding at the corners;
The bracket, with F-shaped clip, can be fixed on the edge of the table, the bracket can generally be raised, and the electric grinder can be hung on the top of the bracket;
This method needs to be extended with the flexible shaft. The flexible shaft is fixed on the shaft of the electric grinder motor by the collet, and the other end of the flexible shaft has the steel shaft and the output power of the collet. Most of the accessories used in the electric grinder can be combined with The short axis is connected; the shortcoming of the soft shaft is that the vibration is amplified and the life is limited.
U-clip, the electric grinder is fixed horizontally on a higher step, and the output shaft is also horizontal. At this time, the workpiece is held by both hands, and the workpiece is uniformly cut and polished, similar to the usage of the grinder;
Fixed on the bench drill bench, this method is not recommended, it is better to buy professional bench drill and milling machine.
Electric grinder accessories
Drill bit, at this time, the electric grinder avatar electric drill, pay attention to the need to replace the collet, in order to adapt to the large drill bit;
For milling cutters, you need a bench drill table or a positioning cover. Note that the electric grinder is generally less concentric (poor balance) and is easily offset when milling. This accessory is not recommended.
Grinding wheel, usually you buy the so-called jade polished small grinding wheel, flat or long cylindrical, tapered, olive-shaped; material is corundum, silicon carbide, etc., although the cutting speed is slow, it is very durable;
Hard grinding head, common is corundum or corundum (steel-like steel), the head has various shapes, suitable for partial modeling;
Cleaning brush head, wire brush, copper wire brush, nylon wire brush, etc., surface cleaning rust or rough polishing;
Soft polishing head, there are wool wheel, white cloth wheel, yellow cloth wheel, etc. Generally, the wheel shape is wider, and the cone shape is suitable for the corner;
Sandpaper cover, this accessory should be tightened with the rubber rod, first loosen the rubber rod screw, put on the sandpaper sleeve, and then tighten the screw. The number of the sandpaper sleeve is lower and the cutting purpose is more;
The cutting piece is made of resin sand sheet, sandpaper, grinding wheel slice,cut off disc for stainless steel etc. There are two kinds of applications, such as cutting or grinding the workpiece, hard grinding with a grinding wheel, soft resin sand, especially suitable for curve cutting;
Self-adhesive polishing disc, can be used with the positioning cover, and the surface is pasted with various mesh flocking sandpaper, suitable for medium-level flatness and polishing;
Shaped grinding head for use with various types of posts, such as wooden polishing heads that handle the edges of leather.
The use of lasers is becoming more and more common, bringing earth-shaking changes to modern life. There is no uniform standard in the quality evaluation of laser cutting. share it cut off disc for stainless steel experienced first-line masters sum up how to discriminate the cutting quality of fiber cutters.
1. Cutting width. The width of the cut generally does not affect the quality of the cut. The cut width has an important effect only when a particularly precise contour is formed inside the part. This is because the cut width determines the minimum internal warp of the outline. When the thickness of the sheet increases, the cut width also follows.
2. Depression and corrosion. The depressions and corrosion have an adverse effect on the surface of the cutting edge, affecting the appearance. They are in the cutting error that should normally be avoided.
3. Verticality. Whether the angle of the edge of the slit can be vertical and whether the slope is too large.
4, roughness. The laser cutting section will form a vertical grain. The depth of the grain determines the roughness of the cutting surface. The shallower the grain, the smoother the cutting section.
5, grain. When the slab is cut at high speed, the molten metal will not appear in the slit below the vertical laser beam, but will be ejected after the laser beam is deflected. As a result, the curved lines are formed at the cutting edge, and the lines closely follow the moving laser beam. To correct this problem, the feed rate is lowered at the end of the cutting process, and the texture can be greatly eliminated.
The superabrasive itself has a very high hardness, so it can cut a variety of metal materials without the need to manually refuel after a single cut. The use of super-hard and ultra-thin saw blades not only extends the life of the saw blade, but also reduces waste generation, which reduces production costs.
Due to the industry's requirements for thin flat cutting discs
and the demand for cutting technology, the current cutting insert technology is more and more developed, and the hardness of the cutting parts is also getting higher and higher. Metal standard cutting wheels are made of high strength resin and are preferably special abrasives that allow for large line speeds and are not susceptible to embrittlement. Cutting ordinary steel, standard cut off wheel for metalare also very skilled.
The demand for industrial cutting is getting higher and higher.
In traditional industrial manufacturing, cutting machines are widely used in industrial machinery to cut steel and other workpieces. Existing cutter tools and transmissions are mounted directly. On the frame, the cutter should be placed on the ground or in the working position. This cutting machine is very convenient when cutting small workpieces.
However, when it is necessary to cut a large workpiece or perform a mobile cutting, the cutting range is limited, the walking is not smooth, the cutting is inconvenient, the cutting direction cannot be adjusted, the use method is inconvenient, the cutting efficiency is not high, and the cutting is performed. The machine cannot be automatically positioned and cut, and the complicated cutting process still requires manual cutting.
high quality cutting disc for sale https://www.auroraabrasive.com/115-mm-golden-star-cutting-disc/are expendable tools used on angle grinders or stationary devices for cutting a variety of materials - from metal alloys (steel, stainless steel, aluminum), to wood, stone, concrete and other materials. They are round, thin and flat panels, like CD or DVD. They are basically divided into classical cutting discs using a synthetic resin as a binder and diamond discs.
They were invented because sometimes it was impossible to cut particular material or the procedure was too demanding regarding time or costs. Cutting discs on angle grinders allowed great mobility, ease of use and availability.
Cutting discs are used by being installed on the angle grinder or a stationary device and then cutting required material like steel pipes, stainless steel rods, aluminum profiles, etc.
Unlike cutting with knife or scissors, in which case the cut parts connected together again obtain full length, cutting with 115 golden star cutting disc https://www.auroraabrasive.com/115-mm-golden-star-cutting-disc/ causes a reduction in the total length of the product. This happens because the cutting with discs actually removes material from a particular point to make a hole that will separate the product in pieces of desired length. If we take a thin hand sander and abrade the same place numerous time, we would get the same result. It means that cutting process is actualy extremely fast honing of material (several thousand revolutions per minute) on a very small area (0.8 to 3 mm).
It is important to note that this method of cutting creates a lot of friction that develops high temperature at the point of cutting and can lead to undesirable changes in structure and colors. In order to prevent this, it is advisable to use the disc as thin as possible, and cut carefully so the product wouldn't get warmed up.
In metal industry, cutting discs which are mostly used are the classic ones with synthetic resin as a
binder. They are divided according to their purpose, so we distinguish between discs for cutting steel, stainless steel, aluminum, and stone.
They consist mainly of the following components:
steel ring - which enables firm and safe installing to the machine
label - contains all the important information related to the 115*1*22 cutting dischttps://www.auroraabrasive.com/115-mm-golden-star-cutting-disc/
safety net - fiberglass net which prevents cracking of disc
cutting mixture - a mixture of corundum, binder and other materials
safety net - two safety nets is the standard for safety today
A cutting mixture is mostly made of aluminum oxide Al2O3, silicon carbide (SiC), and other special minerals.