How to use and read the micrometer A, the use of the micrometer 1, before the use should check the zero point, slowly turn the tuning knob, make the rod and anvil contact, by the end of ratchet sound when moving feet mould scribed line on the sleeve (activity) shall be and fixed on the…
Vernier caliper model and specification There are many specifications of vernier calipers, including 0-100mm, 0-150mm, 0-200mm, 0-300mm, 0-600mm, 0-1000mm, 0-1500mm, jne. In addition, the accuracy of the vernier caliper is also 0.01mm, 0.02mm and 0.05mm.The reading method of a vernier caliper is similar to that of a micrometer. It is structurally composed of a main…
Mitä eroa on jyrsimellä ja poralla? Jyrsin: Jyrsin on pyörivä työkalu, jossa on yksi tai useampi hammas. Työskennellessään, jokainen veitsen hammas katkaisee työkappaleen syöttörajan ajoittain vuorotellen. Jyrsimiä käytetään pääasiassa tasojen koneistukseen, askeleita, uria, pintojen muotoilu ja työkappaleiden leikkaaminen…
Common Tap and die Coating Types 1. Steam oxidation Steam oxidation treatment is a surface oxidation treatment technology. The tap is in contact with steam at a temperature of 540~560°C. In high-temperature water vapour, a layer of blue oxide film is formed on the surface. This oxide film has a fine structure and can be…
How to Choose a Woodworking Drill Choosing the right woodworking drill bit is essential for any woodworking project. The right drill bit can make the difference between a successful and unsuccessful project, so it’s important to know what to look for when selecting the right bit. When selecting the right drill bit, one of the…
Common materials for milling cutters 1) High-speed tool steel (referred to as high-speed steel, front steel, etc.), divided into general-purpose and special-purpose high-speed steel. It has the following characteristics: a. The content of alloy elements tungsten, chromium, molybdenum and vanadium is relatively high, and the quenching hardness can reach HRC62-70. At a high temperature of…
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