News

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
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
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
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 methods — MIG/MAG, TIG, laser and spot welding — how Promservice ensures the strength and reliability of metal structures.
01.11.2025

Custom Plastic Injection Molding: How It Works
Custom plastic injection molding is a modern, precise, and cost-effective method for manufacturing plastic parts for various industries, from automotive to medical and electronics. Producing plastic parts using injection molding machines (IMMs) allows for high-precision and high-quality components based on your drawings, samples, or ideas. Here’s a step-by-step guide to how the plastic injection molding process works.
12.06.2025

Mold Order: Step-by-Step Guide
Mold manufacturing is not just a technical operation but a collaborative project between the customer and the manufacturer. To ensure the result meets expectations, it’s important to prepare initial data, understand the stages of cooperation, and define the key parameters of the product and tooling in advance.
03.02.2025

The Life Cycle of a Mold: From Idea to Thousands of Injections
Mold manufacturing is not just mechanical metalworking — it is a complex engineering process involving expertise in materials science, mechanics, thermodynamics, and automation. A mold must not only ensure geometric precision of the product but also withstand hundreds of thousands or even millions of working cycles without quality degradation.
23.01.2025

Molds by “Promservice”: A Reliable Solution for Modern Manufacturing
Molds are the foundation of high-precision mass production. They enable the creation of products from plastics, metals, silicones, and other materials with minimal deviations and high repeatability. This is especially important in industries such as automotive manufacturing, instrumentation, electronics, and medicine.
10.01.2025

Metal Lathes – Types and Applications
Metal lathes are machines designed for machining parts with rotational surfaces, such as cylinders, cones, spheres, and for cutting internal and external threads. They are used in both manufacturing and repair, ensuring precision and reliability. Using a lathe, it is possible to produce various types of tools and machine parts. Knowing the main types of metal lathes is essential for selecting the right equipment for specific tasks.
23.12.2024

Quality Control in Industry: Why and How to Implement It
Quality control is one of the key aspects of successful production in any industry, especially in metalworking, tooling, and plastic molding. Well-organized quality control helps minimize costs, reduce defects, and increase customer satisfaction. In this article, we will explore why your company needs to implement a quality control system and how to do it effectively.
12.11.2024

Coolants for Metalworking: Why and Which Cooling Fluids to Use?
Coolants, or specialized cooling fluids, play a critical role and are an essential component in metalworking processes. Properly selected coolants ensure effective cooling, chip removal, and lubrication of cutting tools and the workpieces being processed. In this article, we will discuss the key properties and parameters of cooling fluids, their importance in the metalworking industry, introduce you to the various types of cooling fluids available on the market, and provide practical recommendations for selecting them.
01.11.2024