日韩A片无码_日韩性爱网_色色成人五月天_国产精品草久久_亚洲 aaa_亚洲成AV人片无码不卡

日韩A片无码_日韩性爱网_色色成人五月天_国产精品草久久_亚洲 aaa_亚洲成AV人片无码不卡

日韩A片无码_日韩性爱网_色色成人五月天_国产精品草久久_亚洲 aaa_亚洲成AV人片无码不卡

  • Hebei Xiangyuan Machinery manufacturing Co.,LTD!

Hot key words:Brake drum   Hub   Brake pads

news information

CONTACT:

Manager Lv:0086-13831914368
Manager Li:0086-15131910018
Post Code:055350
Tel:0086-319-6505298
Fax:0086-319-6505298
E-mail:lyxyqp@aliyun.com

ADDRESS:

Company Add:Workshop 6, Xingye Road, Economic Development Zone, Longyao County,Xingtai City,Hebei Province

News

Current Location:Index >> News >> News

Brake shoe quality introduction

TIME:2021.04.21

There is no systematic introduction to the quality of brake shoes in the industry for many years. Today, I will introduce the quality of brake shoes

 

1. A good brake shoe must have no rust and no pits on the surface of the material, so that the surface of the brake shoe produced by electrophoresis is smooth and smooth.

 

2. Good brake shoes must be R-angle boring, and the center line of the four R-angles must be guaranteed to be perpendicular to the panel, so that the brake can ensure that the contact surface between the brake pad and the hub is greater than 80%.

 

3, good brake shoe panel circular arc must be fitted with the brake pad arc. After the general brake shoes do a good job, welding will produce deformation, good brake shoes arc is plastic.

 

4, good brake shoes fine workmanship. Generally good quality brake shoes, electrophoresis is good, no burr corners without welding slag, rivet hole without welding slag.

 

5, R Angle center distance standard.

 

日韩A片无码_日韩性爱网_色色成人五月天_国产精品草久久_亚洲 aaa_亚洲成AV人片无码不卡
超碰在线人人草94| 曰韩无码AV| 日韩精品A片视频| 人兽AV网站电影| A级高清无码| 中文字幕av网| 亚洲日韩av三级在线| 大香蕉黄色片| 亚洲爱爱综合网| 亚洲宗合| 鲁一鲁AAA| 黄色成人A片无吗区电影| av怡春院| 久久久久久se| 91AV一区二区三区| 日本最新1级片。| 极极品免费AV| AV无码网站| 爱爱爱操操操插插插97| 欧美色网久久网| 金8天国视频一二区| 日韩亚洲另类不卡| a片色图一区| 无码色情| 色色AV色色| 大香蕉在线精品视频| 黄色A片视频免费看| 91超碰一区| A片Av| 91人人操| 特一级A片| 久草成人免费综合网| 国产一产A片| 日本极品A级片| 又黄又爽又刺激视频| 东京热AV在线| 欧美网久久久| 老牛av中文字幕| 亚洲AV无码印影| 一区二区在线97| 午夜福利无码中文字幕|