News

Lathe Chuck Jaw Types: Straight, Reverse, and Combination — How to Choose for Your Part

Lathe Chuck Jaw Types: Straight, Reverse, and Combination — How to Choose for Your Part

Jaw type affects clamping accuracy, repeatability, safety, and chuck life. Here is a practical way to select straight, reverse, or combination jaws for your workpiece.

11.03.2026

Runout and Clamping Repeatability: Grinding/Lapping Chuck Jaws and Common Root Causes

Runout and Clamping Repeatability: Grinding/Lapping Chuck Jaws and Common Root Causes

Runout is not always a spindle problem. Very often it comes from jaw wear, seating errors, or inconsistent clamping. Here is how jaw grinding works, when it helps, and what to check first.

05.03.2026

Custom Chuck Jaws: Specification & Measurement Checklist for a Perfect Fit

Custom Chuck Jaws: Specification & Measurement Checklist for a Perfect Fit

To make sure new jaws fit your chuck without rework and deliver stable clamping, the technical brief matters. Below is a practical checklist of data and measurements that saves time, cost, and downtime.

25.02.2026

Chuck Jaw Materials and Heat Treatment: Wear Resistance Without Cracks or Distortion

Chuck Jaw Materials and Heat Treatment: Wear Resistance Without Cracks or Distortion

The right steel and heat-treatment route define jaw life, grip stability, and repeatable accuracy. Here is a practical guide to choosing materials and hardening methods for lathe chuck jaws.

24.02.2026

Mold Venting and Gas Traps: How to Prevent Burn Marks and Short Shots

Mold Venting and Gas Traps: How to Prevent Burn Marks and Short Shots

Air must leave the cavity as plastic enters — practical venting rules, typical gas-trap zones, and how Promservice improves mold design to stabilize injection molding.

29.01.2026

Mold Polishing and Textures (SPI/VDI): How to Achieve the Required Surface

Mold Polishing and Textures (SPI/VDI): How to Achieve the Required Surface

Surface finish is not only about appearance — it affects demolding, wear, and repeatability. Learn how to specify SPI/VDI correctly and how Promservice delivers the finish you need.

15.01.2026

Mold Cooling: How to Reduce Cycle Time and Prevent Warpage

Mold Cooling: How to Reduce Cycle Time and Prevent Warpage

Cooling design and maintenance determine productivity and dimensional stability — practical recommendations and how Promservice optimizes cooling in injection molds.

07.01.2026

Injection Molding Defects: Troubleshooting by Symptoms

Injection Molding Defects: Troubleshooting by Symptoms

A practical guide to the most common injection molding defects — what they look like, why they happen, and what to check in the mold, material, and process.

22.12.2025

Hot Runner vs Cold Runner Injection Mold: How to Choose and When It Pays Off

Hot Runner vs Cold Runner Injection Mold: How to Choose and When It Pays Off

Runner system selection affects scrap, cycle time, and tooling cost — a practical guide to choosing between hot runner and cold runner molds with ROI logic.

10.12.2025

EDM for Injection Molds and Stamping Dies: What It Is and Why It Matters

EDM for Injection Molds and Stamping Dies: What It Is and Why It Matters

Wire EDM, sinker EDM, and EDM drilling help create complex shapes in hardened tool steels — learn where EDM is essential and how Promservice uses it to build and service tooling.

24.11.2025

Designing Cast Parts: Tips for Engineers

Designing Cast Parts: Tips for Engineers

Efficient and well-engineered part design that ensures consistent mold filling, uniform solidification, and high-quality casting results.

14.11.2025

Modern Welding Technologies: How to Ensure Structural Reliability

Modern Welding Technologies: How to Ensure Structural Reliability

Modern welding methods — MIG/MAG, TIG, laser and spot welding — how Promservice ensures the strength and reliability of metal structures.

01.11.2025