This guide introduces the most common CNC cutting tools used in metal machining and explains their functions and best practices. It covers chamfer cutters for edge finishing, center drills for accurate hole positioning, reamers for precision hole sizing, taps for internal threading, and twist drills for general hole-making. Each section includes practical usage tips to improve machining accuracy, tool life, and overall production quality.

This guide introduces the most widely used CNC milling cutters and their key applications in rapid prototyping and custom manufacturing. It covers flat end mills for sharp edges and pockets, ball end mills for curved surfaces, bull-nose cutters for durable 3D roughing, face mills for fast material removal, T-slot cutters for undercuts, and keyseat cutters for precision keyways. Selecting the right cutter directly enhances machining accuracy, surface finish, and efficiency—cru

Overcutting is a common challenge in CNC machining services that directly affects accuracy and part quality. This article explores the key reasons behind overcutting—such as tool deflection, operator error, uneven allowance, and improper cutting parameters—and provides effective solutions to minimize these issues. From optimizing tool selection to refining cutting strategies, learn how to enhance precision and reliability in every CNC project.

In this case study, SG Prototype showcases how 3D printing technology was used to produce life-like pepper prototypes for a client in the food display and packaging design industry. From material selection and post-processing to painting and final coating, every detail was crafted to replicate the natural look of real produce. The result? Stunningly realistic models that enhanced product photography, trade shows, and packaging tests—earning high praise from the client.

External-threaded injection molded parts are essential in many industries, offering reliable connections and functional performance. This case study explains how precise mold design—using threaded rings, side core pulling, or inclined ejector pins—ensures flawless demolding and thread accuracy. Discover how SG Proto maintains tight quality control for every detail in the injection molding process.

Copper electrodes play a vital role in EDM mold cavity machining, offering exceptional precision and conductivity. From material selection to spark erosion machining, they ensure accurate and efficient mold fabrication—making them essential for producing high-quality molds.

SG PROTO utilized two-shot injection molding to create a high-precision shell for a European home appliance manufacturer. By combining PC and ABS materials, we achieved excellent transparency, impact strength, and color contrast. Through optimized mold design and process parameters, we ensured dimensional accuracy and perfect material adhesion. Compared to traditional overmolding, two-shot molding reduces production steps and cost while enhancing the product's premium look.

Discover how SG PROTO builds high-precision injection molds with advanced engineering, quality materials, and strict testing. From design to validation, we ensure every mold delivers accuracy, durability, and efficiency for mass production.