What is machine tool attachment?

Machine tool is machine of manufacture machine, also known as mother machine or tool room machine. It generally can be divided into metal cutting machine tool, forging machine tool and woodworking machine tool etc.

Machine tool attachment is an accessory device used to enlarge machine tool processing performance and use range. It widely used in mechanical engineering.

Machine tool attachment has a lot of types, such as all kinds of shields, protective skirt curtain, dustproof plaiting, steel drag chain, machine tool work lamp, machine tool mat iron, adjustable plastic cooling pipe, vacuuming pipe, ventilation pipe, explosion-proof pipe, chip conveyor outside machine, deflection instrument, etc.

In addition more common machine tool attachment has suction cup, workbench, chuck, dividing head and so on,

Suction cup, it is to use magnetic force adsorbs and fixes ferromagnetic work piece.

Workbench, it is made of high quality cold plate precision work produced, strong worktable frame, solid steady, bearing significant, the applicability is strong.

Chuck, it is commonly known as the elastic clamp or collet. Is a kind of cylindrical fixture used to imprisonment machine tool drill or milling cutter, also is a kind of fixed device used to fix reinforcement requirement transformation of parts.

Dividing head, it is installed in the machine tool will be divided into arbitrary equal parts of the tool, make use of calibration loop and vernier, locating pin and index plate as well as exchange gear, will put card on the top or chuck artifacts into arbitrary Angle, circle can be divided into arbitrary equal parts.

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Bearing classification and seal

Bearing is fixed in a mechanical transmission process and reduce the load friction coefficient part. In other words, while other parts on the shaft when each other produce relative movement, used to reduce the friction coefficient and keep shaft centre position fixed at part in the process of power transfer. In modern machinery equipment bearing is a kind of indispensable part. Its main function is to support the mechanical revolution body, to reduce equipment in transmission process mechanical load friction coefficient.

According to different motion components friction quality, bearing can be divided into two categories of rolling bearing and sliding bearing. Divide careful a little, there are many varieties of bearings. Such as centripetal bearing, thrust bearing, liquid lubrication bearing, incomplete liquid lubrication bearing, no lubrication bearing, self-aligning ball bearing, spherical roller bearing, tapered roller bearing, double row deep groove ball bearing, thrust ball bearing, deep groove ball bearing, angular contact ball bearing, cylindrical roller bearing, needle roller bearing, etc.

Bearing the seal can be divided into two categories, own seal and plus seal. Bearing with own seal is sealed the bearing itself made it into the performance of the device. Such as bearing has dust cover and sealing ring, etc. This seal take up the space is small, easy installation and disassembly, cost is also low. And bearing plus seal performance device, is in installation end cover etc. internal manufacturing into with various properties sealing device.

Choose the bearing plus seal should consider the following several major factors: bearing lubricant and types; Bearing work environment, taking up space; Shaft supporting structure advantage, allowing the angular deviation; Sealing surface circumference speed; Bearing operating temperature; The manufacturing cost.

Bearing is the important foundation part in all kinds of machinery equipments, its accuracy, performance, life and reliability play a conclusive role in main engine accuracy, performance, life and reliability. So visible, bearing is widespread application in all kinds of machinery, such as machine tool, pneumatic press machine, drilling machine, etc.

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