Engineering insights
Guides, data and case studies from our tooling engineers
Practical articles on stamping dies, injection molds, tooling spare parts and sourcing from China, written by the engineers who design and build them in Dongguan.
102 articles9 case studiesUpdated Oct 17, 2026
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Injection Mold Tolerances: ±0.005–0.02 mm Data
What ±0.005-0.02 mm really means in injection mold tolerances, which features can hold it, and how steel, cooling and shrinkage affect the result.
Injection Mold Pricing in China: Real Buyer Cost Data
Real injection mold pricing from Chinese suppliers by tool class, cavity count and steel grade, with a breakdown of what buyers actually pay for.
Insert Die vs Solid Die: Cost & Maintenance Comparison
These inserts are used to accommodate a single feature - punch, cavity, trim - and are individually replaceable.
Stamping Die Cost Drivers: What Impacts Your Price
Here are the seven main factors that affect tooling costs. Die Type and Operational Complexity What kind of die you need is the most significant cost...
Die Component Hardness: Chart & Wear Data
A hardness chart for die components, punches, inserts, guide pillars and bushings, with wear data and the HRC ranges suited to each application.
Why Progressive Dies Fail: Data-Based Analysis
Why progressive dies fail: data-based analysis of punch breakage, galling, misfeed and wear, with the design and maintenance fixes for each cause.
Punch & Die Tolerances: What Buyers Can Expect
The punch and die tolerances a buyer can realistically expect, how clearance affects burr height, and where tighter tolerance stops being worth paying for.
Progressive Die Costs in China: Price & Lead Time Data
Progressive die costs from Chinese toolmakers by station count and part complexity, with real price bands and lead times buyers should plan around.
Stamping Die Supplier in China for High-Accuracy Manufacturing
What to look for in a stamping die supplier in China: tolerance capability, tool steel sourcing, tryout process and the quality data to request.
How to Choose a Precision Machining Partner
How to choose a precision machining partner: tolerance capability, certifications, DFM support, capacity and the quality data to check first.
5 Warning Signs Your Stamping Dies Need Maintenance or Replacement
Your stamping dies quietly send signals long before a catastrophic failure. As a tool-and-die pro, you know that ignoring subtle clues can lead to big problems.
Costs of Cheap Injection Molds
The true cost of a cheap injection mold: short tool life, dimensional drift, unplanned repairs and scrap that outweigh the upfront saving.
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