Tolerances you have to know!

Dimensional Tolerances for Rubber Molded Components

Unlike rigid machined materials, thermoset moulded elastomers do not lend themselves well to the same level of tolerance. 
Being thermally moulded, elastomers are subject to many variables. Temperature, cure time, mould tolerance, mould registration, compound variation, and shrinkage are almost need to be considered by mould makers.

Tolerances, you need to know!

https://rubbercomponent.blogspot.com/

Need to remind when design SOFT RUBBER components!

If peoples ignore elastomers of the characteristics is more various change than plastic parts when process. If design tolerances are harsh require a high precision as a plastic part, the outcome is always a lot of uncertainty there.

Demonstration - New Rubber Mold Injection

New injection method

liquid silicon rubber with Vacuum compression mold

Product: Gasket

Material: Liquid silicon rubber

Hardness: LSR 60A

Colour: Natural

Tolerance: ISO 3302 (Class M2)

Rubber component , Tolerances Chart : ISO3302

You have to know...an organisation Sedex Stakeholder Forum (SSF)

SSF - Sedex Stakeholder Forum

When you know a lot of well-known company, such as Nestle, KFC, Body Shop are Sedex membership, believe you will draw attention to know more about Sedex.

What is Sedex?

Sedex is a global membership organisation that prides itself on making it simpler to do business that's good for everyone.

 

We’re home to one of the world’s largest collaborative platforms for sharing responsible sourcing data on supply chains, used by more than 50,000 members in over 150 countries.

 

Tens of thousands of companies use Sedex to manage their performance around labour rights, health & safety, the environment and business ethics.

Our services enable Sedex members to bring together many kinds of different data, standards and certifications, to make informed business decisions, and to drive continuous improvement across their value chains.

Why Join Sedex and what will the benefit?

Trading in a globalised economy is a complex business. With the opportunity to make new partnerships and unlock fresh markets come challenges around accountability.

• How can you be sure your value chain is treating its workforce fairly?
• How can you be clear about the impact of new legislation on your operations?
• How can you reduce risk in a fast-changing, interconnected business environment?

Benefit: whether you are a global retail brand or manufacturer, an international agent, or a single production site, access Sedex’s services. You join a global community of leaders in responsible sourcing. Sedex’s services enable members to save time and money managing their data around ethical performance and to get the insight that can support their continuous improvement. The approachable, multi-lingual Sedex Helpdesk is open to all members, along with published guidance, online learning and updates on best practice.

What is Sedex?

Sedex Members Ethical Trade Audit (SMETA) is one of the most widely used ethical audit formats in the world.

SMETA is an audit methodology, providing a compilation of best practice ethical audit techniques. It is designed to help auditors conduct high-quality audits that encompass all aspects of responsible business practice, covering Sedex’s four pillars of Labour, Health and Safety, Environment and Business Ethics.

SMETA is designed for suppliers to share one audit with multiple customers, meeting multiple customer requirements and reducing duplication in ethical auditing. SMETA has three elements:

• A common Best Practice Guidance on conducting ethical trade audits
• A common Audit Report format
• A common Corrective Action Plan format.

Sedex Stakeholder Forum (SSF) and SMETA 6.0

SSF is maintained to review and update SMETA on a regular basis to ensure it is meeting the current needs of responsible sourcing and incorporates new updates to legislation changes.

SMETA is developed and maintained by the Sedex Stakeholder Forum (the SSF). The latest version of SMETA was updated in April 2017 and was worked on by Amcor, Bureau Veritas, DNV, Givaudan, Kellogg, M&S, Pepsico, SAB Miller/ABInbev, SGS and Walmart.

Know more about: Sedex

I am Jesse

Referral Supplier | Jesse talk | Project Co-work

Rubber Clamp is designed for electric cord

Good Clamp is designed with rubber cushion...

Clamp with rubber cushion - for the electric cord

1. Rubber is characteristic like a soft cushion to protect the electric cords and to avoid tearing by the metal sharp edge.

2. Rubber material can suit at the extreme environment such as low-high temp/ dirt/  air / waterproof.

3. Clamp with rubber cushion, they were widely used for mounting shock-sensitive and particularly in equipment subject to vibration or jarring.

You are welcome to send me an email if there are any questions!

Listed of used Clamp 

Fan Mounts is designed for circuit board

Most important used for circuit board...

Fan Mounts - made of the rubber material

1. The feature of rubber mounts, its elastic & soft are characteristic easy to rig out and use cycling much time when assembly.

2. Rubber material can suit at the extreme environment such as low-high temp/ dirt/  air / waterproof.

3. Rubber mounts is always used in computer disk drives to minimize the transmission of vibration. They were widely used for mounting shock-sensitive computer disk drives, particularly in equipment subject to vibration or jarring.

You are welcome to send me an email if there are any questions!

Listed to selective - Fan Mounts

FAN MOUNTS

Grommet is designed to withstand vibration

For cable protection & to minimize vibration...

Grommet - made of the rubber material

1. The smooth and soft inner surface of the grommet shields the wire avoids from damage.

2. Rubber material can suit at the extreme environment such as low-high temp/ dirt/  air/ waterproof.

3. Rubber grommets are always used in computer disk drives to minimize the transmission of vibration. 

They were widely used for mounting shock-sensitive computer disk drives, particularly in equipment subject to vibration or jarring.

You are welcome to send me an email if there are any questions!

Listed to selective - Grommet 'IP67'


Various type of Grommet

Introduction

Change & Insight

1997-1998 Asia Financial Crisis

It's been a traumatic few months in the world's financial markets - not least in Asia. The devaluation of the Thai baht in July started a chain of devaluations across South East Asia... 

BBC - 28 January 1998

Wikipedia - 1998 Asian financial crisis

 

🙍 Jump into the field after the financial crisis, remembered people’s living was difficult at that time for several years. 

Explore 
Works in the field over 20 years, that gives me chances of visiting & interviewing many factories to let learn a lot in the industrial market.

Change
What's different?
Value = Quality 
Most concerning than ever before.

There are a lot of interesting and valuable to share with you …

Rules or No Rules!

Q: 
How many peoples set RULES before start to work? 

Are you experience, a project needs to work to other people but dead end without any hints.💀

*Try to think back what is the reason support to start at the beginning. 👀

LET GET START TO DESIGN RULES!
RULES are always benefited to classify and help to judge things good or bad, games win or lose...

Just the same as sport's game has game rules!

YOU ARE A REFEREE IN THE FIELD!

Rules Design Sharing
I visited & interviewed many of the manufacturers over the years.

Some of them were doing well but most are classified below average, to be honest.

< So FAIL rate is still higher than succeed 🙍 > 

Three types are mainly used for production

We are one of a mold maker with ISO9001-2015
Since 1969

Rubber Mold/Tooling used for production

Compression Mold	Injection Mold	Liquid Injection Mold
Traditional	Traditional	Hot & Popular
Tolerance Class M2	Tolerances Class M2	Tolerances Class M1
Low cost	Mid cost	High cost
All type of rubber material	All type of rubber material	LSR
Low to high-end product	Low to high-end product	High-end product

ISO3302: Standard of Tolerances, generally used for rubber mold.

You are welcome to send me an email if there are any questions!

Appendix 1: Usage Material Properties