

Solutions to CNC Machining Overcutting
CNC machining overcutting can seriously affect part accuracy and lead to costly scrap if not properly controlled. This article explains the most common causes of overcutting, including programming errors, tool deflection, system instability, incorrect tool setting, and tool mismatch. It also provides practical solutions such as program simulation, proper tool length control, regular CNC system maintenance, and improved operator training.


What Are The Major Systems of an Injection Mold?
What makes an injection mold perform accurately and efficiently? The answer lies in the seamless collaboration of its eight core systems. Understanding these systems helps optimize mold design, improve product quality, and reduce production costs. Whether you’re developing simple or complex plastic parts, SG PROTO offers tailored mold solutions backed by professional expertise.


3D Printing in Daily Life
SG PROTOTYPE utilizes 3D printing for rapid prototyping of realistic fruit and vegetable models, extending the technology's application to daily life. By selecting resin material for its high accuracy and smooth surface finish, and applying detailed post-processing including manual polishing and custom painting, the achieved prototypes are nearly indistinguishable from real produce.


Plastic Electroplating: How to Make Plastic Look Like Metal?
This article explains how plastic electroplating makes plastic look like metal, using either electroplating (for ABS) or vacuum deposition (for various plastics). SG PROT follows a clean-coat-protect workflow and provides quotes within 24 hours after reviewing 3D files.


Why Knurling Widely Used in Rapid Prototype?
Knurling is a specialised finishing process that enhances grip, functionality, and aesthetics of cylindrical components. This article introduces common knurling types—including straight, diagonal, diamond, and crisscross patterns—along with SG Prototype’s machining experience, dimensional allowances, and real application cases. Knurling is widely used for functional validation and appearance evaluation, helping prototypes closely match mass-produced parts and reduce design ri


How to Solve Flatness Issues in CNC Metal Machining
Flatness defects are a frequent challenge in CNC metal machining, affecting both appearance and dimensional accuracy. This guide explains the key causes—including machine misalignment, material stress, improper clamping, tool wear, and environmental factors—and offers practical solutions such as stress-relief machining, proper fixturing, and optimized cutting parameters. By refining processes and managing internal stress, manufacturers can significantly enhance flatness preci


A Quick Guide to CNC Cutting Tools
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.


A Quick Guide to CNC Milling Cutter
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
















