色色综合网66,一级a卡片在线观看,成人免费a视频,中文无码电影,国产AV一区二区三区

  • 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.

 

欧美A片在线视频| 成人免看一级a一片| 亚洲黄a| 亚洲熟妇无码成人A| 五月天激情中文字幕AV| 日韩无码av电影| 人人妻人人澡| 超碰人人操毛片| 91香蕉久久| 五月停性愛| 亚洲无码电话| 日韩AⅤ片| 91av视频在线观看| 黄色A片无码| 一级黄色电影网站| 精品欧洲亚洲午夜理伦| 亚洲综合AV黄色电影| a片视频免费看| 日本怡春院| 91亚洲性爱| 手机av片| 草久aⅤ| 日韩淫乱毛片| 日本a片网址| 免费AV三级片| 亚洲图片无码| 91黄色成人视频| 亚洲av无码性爱| 色色色色2天电影| a片免费网站| 一A放黄色录像\| www.一区二区| 毛片午夜网| 国产免费A片| 无码色色电影| 九九热外国成人黄色片| 亚洲黄色aV| ji黄免片| 性爱无码AV| 丰富多彩的黄色91网站| 五月天黄色视频|