Blog
Explore process selection, materials and project decisions.
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3D printing or CNC? Start with the part.
Compare geometry, materials, tolerances and finishing to choose the right process for your next part.
How to Minimize Distortion When CNC Machining 304 Stainless Steel
Learn why thin-wall 304 stainless steel parts distort during CNC machining and how balanced stock removal, low-force fixturing, sharp tools and staged inspection improve stability.
What Is Face Milling? Process, Types, Cutters, and Key Parameters
Learn how face milling works, how to select cutters and cutting parameters, and how it differs from end milling for accurate CNC parts.
PA6 vs PA66 vs PA11 vs PA12: Nylon for CNC Machining
PA6 vs PA66 vs PA11 vs PA12: compare nylon choices for CNC machining, SLS printing, prototypes, moisture exposure, dimensional stability, and flexibility.
How to Protect CAD Files with a Manufacturer: HengDa’s Process
Learn how to protect CAD files with a manufacturer using NDAs, controlled access, employee confidentiality, approved partners, and marketing permission.
4 Decorative Surface Finishes for CNC Machined and Sheet Metal Parts
Compare hydro dipping, anodizing, polishing and brushing for CNC machined and sheet metal parts. Learn materials, benefits and key design considerations.
The Cost of One Radius Value
Shipped R6 when the file said R3. 250 parts needed rework. Here's what went wrong on the production, how we solved it, and what we changed.
3D-printing at HengDa
HP SLS, SLA and resin 3D printing in Dongguan, China. PA12+GF, nylon, ABS-like, transparent PC and Red WAX, 2–5 day lead time. Quote in 3hrs.
CNC Machining at HengDa
Inside HengDa Model's CNC workshop in Dongguan — 20 Jingdiao machines, 5-axis capability, tolerances to ±0.001mm, and prototypes out in 3–5 days. Real factory, real specs.
What’s Stainless Steel Passivation?
Stainless steel passivation explained: how the process removes contaminants and builds a passive layer for stronger corrosion resistance and longer part life.
Vapor Smoothing: 3D Printing Post-Processing Technology
Vapor smoothing is a 3D printing post-processing technology that seals and smooths printed parts for a sleek, professional finish. See how it works.
Chrome Plating: Metal Surface Treatment Process
Chrome plating explained: how this metal surface treatment adds shine, hardness and corrosion resistance, plus its key uses across modern manufacturing.
Pad Printing: Unlocking Personalized Printing
Pad printing prints logos and designs onto irregular surfaces with ease. Discover how this versatile process enables personalized, high-quality marking.
What Is Screen Printing?
What is screen printing? A clear guide to how this classic process works, its advantages, and where it is used for durable, vivid prints.
Annealing Process: The Road To Metal Strengthening
The annealing process strengthens and softens metal through controlled heating and cooling. Learn how annealing improves machinability and part quality.
Sandblasting: Surface cleaning experts
Sandblasting is a fast, effective surface-cleaning and finishing process. Learn how it removes contaminants and prepares parts for coating or assembly.
Electroplating VS Anodizing
Electroplating vs anodizing: compare these metal finishing processes by cost, durability, appearance and best uses to pick the right one for your parts.
The multiple values of electroplating: the perfect combination of beauty and performance
Electroplating adds beauty and performance to metal parts, improving corrosion resistance, wear resistance and appearance. Explore its many practical values.
Laser marking: A new dimension in marking
Laser marking adds permanent, high-precision marks to metal and plastic parts. Discover how it works and why it is ideal for traceability and branding.
Anodizing: The gorgeous transformation of metal
Anodizing gives aluminum a durable, decorative finish that resists corrosion and wear. Learn how the anodizing process works and its key benefits.
Grinding and polishing: the art of post-processing from rough to smooth
Grinding and polishing turn rough parts into smooth, precise surfaces. Learn how these post-processing steps improve finish, accuracy and product quality.
As-Machined Finish: Exploring Precision Manufacturing
An as-machined finish leaves parts straight from the CNC machine. Explore what this precision finish looks like and when it is the right choice for your parts.
CNC Machining Impeller Turbine
5-axis CNC machining of impellers, blisks and turbines: precise, balanced parts for pumps and turbomachinery. HengDa Model delivers complex geometries fast.
Rapid Prototyping: The Ultimate Guide for Beginner and Expert
Rapid prototyping: the ultimate guide for beginners and experts. Learn the methods, materials and benefits of turning ideas into physical prototypes fast.
What can affect CNC Machining parts accuracy?
What affects CNC machining accuracy? Explore the key factors-machine, tooling, material and setup-that influence precision and part tolerances.
CNC Machining Classification And Advantages
A clear guide to CNC machining classification and its advantages, from milling to turning. Learn how CNC delivers precise, repeatable, high-quality parts.
Comprehensive guide of aluminum alloy materials for CNC machining
A comprehensive guide to aluminum alloy materials for CNC machining. Compare common grades like 6061 and 7075 to choose the best alloy for your parts.
Advantages of CNC Machining Products & Parts
Discover the advantages of CNC machining for products and parts: high precision, repeatability, fast turnaround and a wide range of compatible materials.
Advantages of Vacuum Casting Technology
Discover the advantages of vacuum casting, a fast, cost-effective way to produce high-quality plastic and rubber parts and small batches from one master mold.
Plastic Rapid Prototyping: advantages and characteristics
Explore the advantages and characteristics of plastic rapid prototyping: low cost, fast turnaround and versatile materials for efficient product development.
CNC Rapid Prototyping: Open Your New Era of Intelligent Manufacturing
CNC rapid prototyping opens a new era of intelligent manufacturing with fast, accurate, flexible production. Learn how it accelerates product development.
Medical Beauty Instrument Prototype
A medical beauty instrument prototype combines precision engineering with medical-grade quality. See how HengDa Model brings beauty-device designs to life.
Plastic Prototype: Advantages and Characteristics
Explore the advantages of plastic prototypes: low cost, fast turnaround, high precision and versatile materials. See how HengDa Model speeds up your product development.
Enhancing Machining Accuracy of Lathe Parts
Learn how to enhance the machining accuracy of lathe parts: key factors and practical tips for tighter tolerances, better surfaces and higher part quality.
The Advantages of 5-Axis CNC Machining
The advantages of 5-axis CNC machining: produce complex geometries like impellers in one setup with higher accuracy, better finishes and faster turnaround.
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