Round blade, as the name suggests, is a blade with a round shape. It is generally used in mechanical equipment for cutting, trimming, etc. When cutting objects, it is required that the cutting resistance of the circular blade is the smallest and the wear resistance is the strongest. It can cut pastries, paper, film and other items, and is widely used in food industry, ceramic industry, paper industry, printing industry, electrical appliance industry, textile industry, etc. The scope of application is very wide. So, do you know which manufacturers have round blades ? What are the precautions when using round blades? Below I recommend you a few good round blade manufacturers for your reference when buying!
Introduction of Round Blade
Round knives are divided into flat round knives, toothed round knives, front steel round knives, alloy round knives, etc. Large round blade, large round knife, round knife, round knife, small round knife, general round blade diameter: ∮300-1000mm, thickness 0.5-300mm; folding machine round knife, front steel cutting machine round knife, Shijin Tile circular blade, circular knife for slitting machine, upper knife and lower knife for slitting, cemented carbide circular knife for cutting, carton dotted circular knife for cutting, dotted circular blade, circular knife for paper cutter, circular knife for powder machine , Cutting rubber round knife, cutting knife for leather, slitting blade, tungsten steel round blade, alloy blade, alloy round blade and so on.
Round blade material
1) High carbon steel round blade
Based on W18Cr4V, 0.2% carbon content is increased to form 95W18Cr4V. According to the chemical equilibrium carbon theory, the carbon content in austenite of high-speed steel can be increased during quenching and heating, and the dispersion hardening effect during tempering is strengthened, thereby increasing the normal temperature. And high temperature hardness. Compared with W18Cr4V, the wear resistance and tool durability of 95W18Cr4V are improved, and the sharpening performance is equivalent. Although the cutting performance of this steel is not as high as cobalt and vanadium high-speed steel, the price is cheap, and the cutting edge can be sharpened sharply, so it has application value. Similarly, there are 100W6Mo5Cr4V2 (CM2) high-carbon high-speed steel, but this high-performance high-speed steel is not used much.
2) High cobalt rigid round blade
Adding cobalt to high-speed steel can promote the precipitation of tungsten and molybdenum tungsten carbide from martensite during tempering, improve the dispersion hardening effect, and improve the thermal stability, so it can increase the hardness at normal temperature, high temperature and wear resistance. Increasing the cobalt content can also improve the thermal conductivity of steel and reduce the friction coefficient between the tool and the workpiece. M42 is the representative steel grade in this area in the United States, and its comprehensive performance is very superior. HSP-15 in Sweden is also a steel of this type, but its vanadium content is 3%, and its sharpness is not as good as M42. The high cobalt content and the high price are not suitable for China's national conditions. The low-cobalt silicon-containing high-speed steel Co5Si successfully developed in China has superior performance and lower price than M42 and HSP-15. However, Co5Si also contains 3% vanadium and has poor sharpening processability, so it is not appropriate to use it to manufacture complex blade shapes. Cutter.
3) High vanadium steel blade
The vanadium content of high-vanadium high-speed steel is 3% to 5%. At the same time, the carbon content is increased to form VC and V4C3, so that the high-speed steel has high hardness and wear resistance. The heat resistance of high vanadium high speed steel is also good, but the sharpness of high vanadium high speed steel is poor, the thermal conductivity is not good, and the impact toughness is low, so it is not suitable for complex tools. Appropriate cobalt can also be added to high-vanadium high-speed steel to become high-vanadium cobalt-containing high-speed steel.
The high vanadium nitrogen-containing high-speed steel V3N developed in China is cheap and has good cutting performance, but it is difficult to sharpen. Later, Co3N (W12Mo3Cr4Co3N), a low-cobalt and nitrogen-containing high-speed steel, was developed, which has good cutting performance and good sharpening performance, but the price is higher than V3N.
4) Aluminum-containing high-speed steel round blade
China has developed a cobalt-free, low-cost aluminum-containing high-speed high-speed steel 501 (M2Al), in which the aluminum content is about 1%. Aluminum can increase the solubility of tungsten and molybdenum in steel, resulting in solid solution strengthening. Because aluminum compounds can play the role of "pins" in steel, the room temperature, high temperature hardness and wear resistance of steel are improved, strength and toughness Both are relatively high, and the cutting performance is equivalent to M42. The vanadium content of 501 is 2%, and the sharpening performance is slightly inferior to M42. Aluminum-containing high-speed steel is a unique creation in China. 501 is widely used in China and abroad.
Round blade specifications
Commonly used blade specifications are: (unit: mm)
Ultra-thin round blade: Φ45 * Φ8 * 0.3 / 0.4, Φ28 * Φ8 * 0.3, Φ60 * Φ8 * 0.3 / 0.4, Φ100 * Φ22 * 0.3
Hook blade: 88 * 10 * 0.7;
Carving blade: 38.1 * 7.85 * 0.5, 39.2 * 7.85 * 0.5
Film cutter: 43 * 21 * 0.2 (three-hole type), 57.3 * 18.5 * 0.3860 * 22 * ​​0.2, 43 * 22 * ​​0.2, 50 * 22 * ​​0.2, 43 * 22 * ​​0.3, 43 * 22 * ​​0.5, 57 * 18 * 0.4 / 0.5, 38.5 * 19 * 0.25
Chemical fiber cutter: 95 * 19 * 0.9, 100 * 5 * 0.8, 23 * 8 * 0.4, 38 * 8 * 0.254, 57 * 18.6 * 0.5, 67 * 18 * 0.24,
Glass fiber blade: 135 * 8 * 0.5, 190 * 10 * 0.5, 135 * 6 * 0.5, 131 * 8 * 0.5, 190 * 8 * 0.3
Round blade price
Large blades, which are used in industry, cost hundreds of yuan, while small blades, which are common blades, cost only a few yuan or tens of yuan.
Note: This price is for reference only! Due to different regions, of course, the price will vary. If you want to know more about the relevant price details, please refer to the local dealers!
Recommended by round blade manufacturer
1. Dongguan Henglida
Dongguan Henglida is specialized in producing all kinds of mechanical blades, molds, rollers, disc longitudinal scissors, slitting blades, shearing machine blades, slitting upper and lower blades, pneumatic blades, packaging sealing blades, jelly cutters, leather Blades, dies, blades, paper cutters, throwing blades, strips, special-shaped blades and various round knives, flat round knives, etc. are sold to large and medium-sized steel mills, papermaking, plastics, metallurgy, chemical, rubber tire factories, and Various packaging industries. The metallurgical high-speed steel circular knives, H13, LD high-precision slitting machine blades are well-known throughout the country, and some products have reached the international level, and the random bed support is exported to Southeast Asia, Europe and the United States and other overseas regions.
2. Shanghai Jinxuan Machinery Co., Ltd.
Shanghai Jinxuan Machinery Co., Ltd. is a modern enterprise specializing in the production of mechanical tools and CNC bending machine molds. Professional production: blades, circular blades, rolling shear circular blades, high-speed steel circular blades, product design and development department using CAD, CAPPP, PDM and other auxiliary design software, has a strong development and design capabilities, can meet the user's special order requirements.
3. Ma'anshan Changfeng Cutting Tool Factory
Maanshan Changfeng Cutting Tool Factory focuses on the design and production of round blades, bending machine molds, shear blades, forgings and other products. Among them, the round blades have passed the ISO certification first in the industry, not only in the local and even the country. , Not only for domestic sales but also for Eastern Europe. Our factory adopts exclusive heat treatment technology, which makes the quality of round blades to a higher level! The main products are: round blades, bending machine molds, shearing machine blades, forgings and other various cutting blades.
Editor's summary: Now people have higher requirements for various crafts and appliances, so many merchants will require that the precision of their products must reach very small precision. It can be seen that the round blade is a very useful tool for dividing and trimming, and it is an indispensable cutting tool.
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