鑄鐵平臺(tái)退火處理有那些好處的簡單介紹

鑄鐵平臺(tái)退火處理有那些好處的詳細(xì)信息

鑄鐵平臺(tái)退火處理有那些好處

鑄鐵平臺(tái)用途：適用于各種檢驗(yàn)工作，精密測量用的基準(zhǔn)平面，鑄鐵平臺(tái)用于機(jī)床機(jī)械測量基準(zhǔn)，檢查零件的尺寸精度或形位偏差，并作精密劃線。在機(jī)械制造中也是不可缺少的基本工具。

Inspection surface plate is used as the datum for measurement of the machinery parts’ geometric tolerance,such as flatness, parallelism, straightness and more. It is also can be used for precision inspection, marking out (layout), and tooling setup.

鑄鐵平臺(tái)材質(zhì): 材料為高強(qiáng)度鑄鐵HT200-250工作面硬度為HB160—210。經(jīng)過兩次處理(人工退火600度----700度或自然時(shí)效2---3 年)，使該產(chǎn)品的精度穩(wěn)定，耐磨性能好。

The material of Cast Iron Inspection Plate is high-strength cast iron Ht200-250 and the hardness of the working surface is HB 160-210. After artificial heat aging treatment( Artificial annealing temperature 600℃ to 700℃or 2-3 years natural aging) the internal stress was totally eliminated, so the surface plate have stable accuracy and good wear-resisting performance.

鑄鐵平臺(tái)精度：按國家標(biāo)準(zhǔn)計(jì)量檢定規(guī)程執(zhí)行，分別為0，1，2，3級(jí)四個(gè)級(jí)別

The Cast Iron Surface Plate can be classified as Grade 0,1,2,3,4 according to the national standard metrological verification procedures

鑄鐵平臺(tái)退火種類常見的T型槽鑄鐵平臺(tái)[2]退火工藝有：再結(jié)晶鑄鐵平臺(tái)退火，去應(yīng)力鑄鐵平臺(tái)退火，球化鑄鐵平臺(tái)退火，完全鑄鐵平臺(tái)退火等。鑄鐵平臺(tái)退火的目的：主要是降低金屬材料的硬度，提高塑性，以利切削加工或壓力加工，減少殘余應(yīng)力，提高組織和成分的均勻化，或?yàn)楹蟮罒崽幚碜骱媒M織準(zhǔn)備等。

There are many annealing type for Cast Iron Surface Plate, such as stress relief annealing, recrystallization annealing, spheroidizing annealing, full annealing, etc. The purpose of annealing process is to reduce the hardness of metal materials, to improve the plasticity, contributing to cutting and pressure machining process. It also can reduce the residual stress, improve the organization and composition of the homogenization.

1.完全鑄鐵平臺(tái)退火和等溫鑄鐵平臺(tái)退火

完全鑄鐵平臺(tái)退火又稱重結(jié)晶鑄鐵平臺(tái)退火，一般簡稱為鑄鐵平臺(tái)退火，這種鑄鐵平臺(tái)退火主要用于亞共析成分的各種碳鋼和合金鋼的鑄，鍛件及熱軋型材，有時(shí)也用于焊接結(jié)構(gòu)。一般常作為一些不重工件的最終熱處理，或作為某些工件的預(yù)先熱處理。

Full annealing and isothermal annealing for Cast Iron Surface Plate.

This kind of annealing process is mainly used in all kinds of carbon steel and alloy steel casting, forging and hot rolled profiles. Sometimes it is used for welding structure and often served as the final heat treatment or as a preliminary heat treatment for some workpiece.

2.去應(yīng)力鑄鐵平臺(tái)退火

去應(yīng)力鑄鐵平臺(tái)退火又稱低溫鑄鐵平臺(tái)退火（或高溫回火），這種鑄鐵平臺(tái)退火主要用來消除鑄件，鍛件，焊接件，熱軋件，冷拉件等的殘余應(yīng)力。如果這些應(yīng)力不予消除，將會(huì)引起鋼件在一定時(shí)間以后，或在隨后的切削加工過程中產(chǎn)生變形或裂紋。

2. Stress relief annealing for Cast Iron Surface Plate.

Stress relief annealing , also called low temperature annealing or high temperature annealing, which is generally used to eliminate the residual stress in castings, forging, welding, rolling, cold drawing workpieces.

3.球化鑄鐵平臺(tái)退火

球化鑄鐵平臺(tái)退火主要用于過共析的碳鋼及合金工具鋼（如制造刃具，量具，模具所用的鋼種）。其主要目的在于降低硬度，改善切削加工性，并為以后淬火作好準(zhǔn)備。

Spheroidizing annealing for Cast Iron Surface Plate.

Spheroidizing annealing is mainly used for eutectoid carbon steel and alloy tool steel (such as steel used for manufacturing cutters, measuring tool, and mold.).The main purpose is to reduce the hardness and improve cutting ability and to prepare for after quenching.

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