Plastic Gear & Mechanical Component

Precision Injection Molded Plastic Gear for Mechanical and Automation Applications

Precision molded plastic gear designed for mechanical transmission, automation equipment, and compact drive systems requiring repeatable geometry and consistent tooth profiles.

  • Precision Gear Geometry – Consistent tooth profiles and dimensional control for reliable mechanical engagement.
  • Engineering Plastic Options – Material selection can be matched to requirements for strength, wear resistance, friction, and operating conditions.
  • High-Volume Production Ready – Injection molding provides repeatable production for applications requiring consistent quantities of precision plastic gears.
INJECTION MOLDING DESIGN GUIDE

Minimizing unnecessary undercuts can simplify injection mold design and reduce tooling complexity, cost, and maintenance requirements. Through DFM analysis, features such as snap-fits, side holes, hooks, and interference structures can often be redesigned for simpler mold construction.

Depending on the geometry, reducing undercuts may minimize the need for slides, lifters, or other complex mold mechanisms, helping improve manufacturability and production consistency.

design out undercuts for cost effective injection molding

Properly designed injection molded bosses provide stable fastening points for screws, threaded inserts, pins, and other mechanical fasteners. Boss geometry, wall thickness, ribs, and transitions should be designed to distribute loads and minimize stress concentration.

RUIBANG applies injection molding DFM principles to help optimize bosses for strength, dimensional stability, and repeatable assembly performance.

optimize bosses for reliable assembly

Abrupt changes in wall thickness can contribute to uneven cooling, internal stress, sink marks, and warpage in injection molded parts. Smooth transitions, fillets, and properly designed radii help promote more uniform material flow and cooling.

By optimizing wall thickness, corners, ribs, bosses, and geometric transitions, RUIBANG CNC helps customers develop injection molded parts with improved manufacturability, dimensional stability, and structural performance.

use smooth transitions for better structural integrity
injection molding process
injection molding materials

Plastic Injection Molding for Different Industries

IndustryDescription
Industrial ApplicationsHousings, brackets, gears, bushings, covers, and functional components for machinery and industrial equipment.
Electronics ApplicationsHousings, connectors, insulators, covers, and precision plastic components for electronic and electrical devices.
Automotive ApplicationsInterior and exterior components, ducts, reservoirs, clips, brackets, and functional automotive plastic parts.
Medical ApplicationsDevice housings, connectors, tubes, disposables, fittings, and precision components for medical equipment.
Consumer ApplicationsHome appliance components, household products, toys, lifestyle products, housings, and custom plastic parts.
Custom Plastic SolutionsCustom materials, colors, geometries, surface finishes, and functional features for specialized applications.

Why Choose RUIBANG CNC?

10+ Years of Manufacturing Experience

More than a decade of experience gives our team practical knowledge of CNC machining, precision components, tooling, materials, and production requirements.

Precision-Focused Manufacturing

We manufacture according to customer drawings, CAD models, tolerances, material specifications, and quality requirements rather than relying on one-size-fits-all production methods.

Flexible Production

Our manufacturing solutions can support prototypes, one-off components, low-volume production, small batches, and recurring orders.

Multiple Manufacturing Capabilities

CNC machining can be combined with tooling, sheet metal fabrication, aluminum extrusion, injection mold manufacturing, and surface finishing to simplify complex projects.

Quality-Oriented Processes

Inspection is integrated into the manufacturing workflow to help maintain dimensional accuracy, consistency, and conformity with agreed specifications.

Responsive Global Support

We work with international customers and provide communication throughout quotation, engineering review, production, inspection, and delivery.

Ruibang CNC Company

One-Stop Metal Parts Customized Solution.

Services

Wide Range of High-quality Raw Materials

Ruibang CNC offer a wide range of high-quality raw materials (e.g. stainless steel, aluminum alloy, titanium alloy, brass, etc.) to ensure high strength and durability for a wide range of industrial environments.

Aluminum

Aluminum

Material: 2024,5052,5083,6061.6061-T6,6063.6082.7075, etc.
Tolerance: +/-0.01~0.005mm
Surface treatment: oxidation, electrophoresis, sandblasting, electroplating, chemical treatment, painting, hard

Brass

Brass

Material: HPb63, HPb62, HPb61, HPb59, H59,H62,H63,H65,H68, H70,H80,H90,C110,C120,C220,C260,C280, C360 etc.
Tolerance: +/-0.01~0.005mm
Surface treatment: electroplating, plating, spraying, oxidation, polishing, spray grinding, heat treatment, pickling, shot peening, etc.

Steel

Steel

Material: Sus303,Sus304, SS316, SS316L, 420, 430, 17-4PH1214L/1215/4140/SCM440/40CrMo, etc.
Tolerance: +/-0.01~0.005mm.
Surface treatment: electroplating, galvanizing, spraying, oxidation, polishing, spray grinding, passivation, heat treatment, pickling, shot peening, etc.

Plastic

Plastic

Material: ABS, PC, PP, PE, PVC, PMMA, POM, Nylon, PTFE, PEEK, etc.
Tolerance: +/-0.05~0.02mm
Surface treatment: painting, electroplating, laser etching, UV coating, sandblasting, polishing, texture finishing, anti-static treatment, etc.

Surface Treatment

15

Professional Certifications

Each of our products has passed
authoritative professional certification

We assure you that all products are worth the money.
We assure you that all our premium services will give you peace of mind.

Professional Certifications

FAQs

Are your factory manufacturer or trade company?

We are manufacturer with our own factory. Welcome to visit our factory.

How can I get the quotation? What I need do before send the inquiry?

(1). Please provide 3D files(STEP, STP,IGS).
(2). Material required.
(3). Surface finishing.
(4). Quantity you need.
(5). Other additional requirements.

What can you customized?

We can use many different technical processing methods to produce the projects that customers need, and we can customize any products.specialized in CNC machining, CNC milling, CNC turning, we also can customize Laser engraving, silk printing, CNC machining engraving, Etching.

Can I get a sample before order in bulk?what is your MOQ?

Yes, we are OK to provide sample before bulk order. MOQ 1Pcs

What is the lead time?

Sample 6-10days, bulk order 20-30days (depend on specific items and item quantities)

Can you send me the video to show how the machine works?

Certainly, please feel free to contact us, we will send you machine video.

What's your payment terms?

Sample 100% pay.Mass production 50% in advance, and 50% before ship-ment.

Get a Fast Quote

Thank you for your RFQ!

Our engineering team has received your request and will review your project details shortly. We’ll get back to you with a professional quote within 24 hours.