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
成人免费A级视频| gogo无码| 色色色先锋| 黄A无码| 亚洲欧美片| 欧美一级婬片A片免费看| 操逼四区| 婷婷五月天黄色| av人人澡| 色人人爱| 午夜桃花AV| 超碰福利国产| 东方Av看免费三级片| AV观看网站| 色av吧在线免费观看| 三级avav| 男女av免费观看| 老司机午夜AV| 日韩午夜a瘦小| 日韩污污污污| 影音先锋黄色网| 操逼网AV| 自慰91上床网站69| 日韩中文无码一级A片| av在线官网观看| 狠狠操人AV| 亚洲成年av在线观看| 操逼操逼逼| 成人黄色a片在线观看| 97色情在线电影| 国产黄毛在线A| 免费超碰一级AQ片| 无码性网| 手机av无码| 欧美AAAAAAAA片| 亚洲AV福利| 国产乱国产乱在线| 日韩无码A级| 亚洲最新av| A片成人网| 亚洲无码精品1258|