GB/T 37208-2018 in English

VALID

Nonmetallic paper based wet type frictional materials

Issued on:2018-12-28
Implemented on:2019-11-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $220.00
$214.00

Standard No:	GB/T 37208-2018
Document status:	VALID
Title in English:	Nonmetallic paper based wet type frictional materials
Title in Chinese:	非金属纸基湿式摩擦材料
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2018-12-28
Implemented on:	2019-11-01
ICS Classification:	43.040.50-Transmissions, suspensions
Chinese Classification:	Q69-Other non-metal mine product
Professional Classification:	GB-National Standard
Related Keywords:	wet type frictional materials introduction wet friction materials non-metallic paper-based wet friction materials raw materials nonmetallic paper
Related Topics:	friction material friction internal friction metal material Friction material visual inspection Metal-to-Metal Coefficient of Friction Appearance of friction material metal to metal coefficient of friction Friction Material Simulation Metal-to-Metal Friction Coefficient metal to metal coefficient of friction Metal-to-Metal Coefficient of Friction Flatness of non-metallic materials non-state material Metal-to-Metal Coefficient of Friction Classification of organic non-metallic materials Coefficient of Friction of Metallic Materials wet Nine non-metallic materials Application of non-metallic materials non-silicon-based materials Non-metallic Materials Laboratory material internal friction internal friction of the material coefficient of friction between metals friction coefficient of metal material friction metal material metal to metal friction metal metal friction Trade names of non-metallic materials Coefficient of friction of each metal metal-to-metal friction coefficient metal internal friction About non-metallic materials non-magnetic metal material Three items of non-metallic materials Metal-to-Metal Coefficient of Friction Metal-to-Metal Friction Coefficient wet paper metal ball friction Coefficient of gold-gold friction Gold-gold friction coefficient super strong non-metallic material GBT37208 GB/T 37208-2018 Paper-based friction plate Friction and wear of non-metallic materials Standard table of friction coefficient of metal materials Paper base friction Metal friction coefficient test Metal sheet friction coefficient test Fabric dry and wet friction test Wet grinding wheel friction test Friction coefficient between metal and plastic Metal static friction coefficient detection Dry and wet friction standard book Friction material mandatory Wet friction test Ink wet friction Metal material friction coefficient test Korean wet friction test Design of non-metallic material parts Does the friction material damage the disc?

《GB/T 37208-2018非金属纸基湿式摩擦材料》由TC406（全国非金属矿产品及制品标准化技术委员会）归口，主管部门为中国建筑材料联合会。

Introduction

1. Background of standard formulation and analysis of technological evolution

GB/T 37208-2018 "Non-metallic paper-based wet friction materials" is an important national standard formulated on the basis of original industry practice experience and combined with international advanced technology level. This standard mainly proposes detailed technical requirements and test methods for wet friction materials used in motorcycles, agricultural machinery, industrial machinery and automobiles.

2. Comparison of standard frameworks

Standard dimensions	GB/T 37208—2018	International advanced level
Classification system	Divided into three categories, differentiated by purpose	Similar classification method, focusing on practical application
Technical requirements	Including indicators such as appearance, flatness, thickness difference, etc.	Covering friction performance test and durability test
Test method	Adopting GB/T 35472 series standards	In line with international standards, focus on data consistency

3. Interpretation of standards and explanation of professional terms

Midpoint dynamic friction coefficient (midpoint coefficient): In the dynamic engagement test, the dynamic friction coefficient measured at the midpoint of the braking time. This indicator reflects the friction performance of the material under medium speed conditions.

Static friction coefficient (breakaway coefficient): Measured through a static engagement test, the static motor drive speed and static torque time should be specified during the measurement process. This indicator is used to evaluate the initial friction characteristics of the material.

4. Implementation suggestions

Production link:Strictly control the quality of raw materials and production processes in accordance with standard requirements to ensure that the products meet technical indicators.
Testing and Inspection: Equipped with advanced friction performance testing equipment, inspections are carried out according to the standard period, especially the measurement of friction coefficient and wear.
Quality Control: Establish a sound quality management system, regularly check different batches of products to ensure long-term and stable compliance with standards.
Technical Training: Provide professional training for operators and inspectors to ensure correct understanding and implementation of standard requirements.