Home

überblick Nachrichten Produkte Qualit?t Kultur Kontakt
 
Qualit?t

  
 

 

Rough forming:

The balls are formed into rough spheres on cold heading, hot forging, or hot rolling machines.

 
   Flashing:

The balls are ground under pressure between rotating grooved cast iron plates to improve sphericity.
   Heat treatment:

The balls are through hardened by heating to 840 ℃ and quenching.
They are then tempered to remove excess stresses.
   Hard’ Grinding:

The hardened balls are then ground under pressure between a rotating grinding wheel and a stationary cast iron plate.
   Finish lapping:

The balls are carefully lapped to their final dimensions between grooved cast iron plates, one rotating and one stationary.
   Inspection:

Varies according to grade from 4% AQL for commercial grades to 100% electronic scan and crack detecting for high precision.

        Produktsauswahl:

 

Qualit?t

 Kontakt
    Add: Add:Taishan Road, Economic & Technical Development Zone , Lianyungang Jiangsu PR.China,  222047
    Tel: 0086-518-82348968
    Fax: 0086-518-82348969
    Verkauf: 0086-518-82348913
    Technik: 0086-518-82348903
    E-mail: [email protected]

       REDMAN PRECISION MANUFACTURE(LIANYUNGANG) CO.,LTD.  Copyright © All Rights Reserved.  
  Tel: 86-518-82348968  Fax: 86-518-82348969  Add: Taishan Road, Economic & Technical Development Zone , Lianyungang City,Jiangsu Province.China     

迷你世界下载4399
重庆彩票王成周最近 山东时时号码走势图 香港仼我发心水主论坛 江西时时012路走势 北京赛pk10计划软件排名 白小姐23期开奖开奖结果 秒速时时总和计划 快乐赛车开奖记录 陕西快乐十分遗漏数据 vr赛是正规吗 49码出特公式开奖 pk10骗局大揭秘新闻直播间 新疆福彩喜乐彩走势图 快乐开奖结果查询结果 一分快三直播 七星彩走势图助手