Arc toothed hobbing

The tobacco machinery products produced by our factory--the filter tipping machine series have many parts for conveying cigarette rods and filter rods. The circular arc tooth shape is evenly distributed on the circumference, and the angular error between the tooth shapes is required to be no more t

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Wonderful hand blue and blue painted blueprint

Delcam Plc is the world's leading developer of specialized CAD/CAM integration systems. Its software products are suitable for the design and manufacture of products, parts and molds with complex shapes. In 1991, DeIcam products entered the Chinese market for the first time. Established Delcam (

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Book news

According to the requirements of the national registered auditor training syllabus, this book provides a detailed and in-depth discussion of the accreditation, certification, and especially the ISO900 family standards required by auditors (including internal auditors). And the basic concepts, theor

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Ordinary lathe machining thread function expansion

CA6140 lathes often encounter some difficult-to-machine thread parts during processing, especially the standard three-head frequency pattern. Most of the lathe nameplates do not have three lead values. In order to solve the above problems, we have practiced a set of standard threading methods that

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Broken common faults and solutions

The broach is a traditional semi-finished and finished inner hole cutter with a machining accuracy of IT9 to IT7 and a surface roughness of R_o3.2 to 0.8. It is not only suitable for processing ordinary holes with a diameter of 10 to 85 mm. In recent years, due to the improvement of the hole drawin

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Selection of turning indexable inserts (top)

In the 1950s and 1960s, the car, milling, drilling, boring and planing masters of the machinery factory constantly improved the geometry and angle of the tool with the attitude of the owner to improve the production efficiency and tool life. At that time, the main application tool was welded. Carbi

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Processing universal helical gears with universal milling

In equipment maintenance, there is often a need to replace gears. When spur gears are encountered, general milling machines can be machined, but helical gear machining is more difficult. If the number of teeth can be indexed by the single-index method, and then the hanging wheel is calculated accor

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Skillfully change to the top

When roughing and forging the blank rod parts on the lathe, it is necessary to use the live top support. Due to the irregular shape of the blank and easy positioning during the clamping, the top is strongly stressed, and the top head is often broken or burned. The entire top is also scrapped. To th

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Vernier caliper error and repair method

In the use of the vernier caliper, uneven wear of the base surface of the ruler, uneven opening of the measuring surface, inconsistent indication values ​​of the upper and lower jaws, unstable gap of the measuring surface, and the like, bring an indication error to the caliper. The fo

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Ring outer spherical processing tooling

Our company often produces spare parts for cone crushers for each concentrator. The cone body is one of the key equipment. There is a circular outer spherical surface of SR 490 ~ 1100mm on the body. The conventional processing method is used to complete the technical level of the workers, it is dif

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Go out and connect with the world

"Mechanical Workers" magazine held a symposium on the 50th anniversary of the founding of the People's Assembly Hall on October 13, 2002. In the brilliant history of its 52-year publication, it has made great contributions to the development of China's machinery industry and is ma

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CNC quenching machine and troubleshooting

The numerical control quenching machine is a quenching machine using a numerical control device, and the numerical control device controls the servo motor to drive the sensor movement. The control system of this machine can be divided into two parts, the machine control part and the intermediate fr

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