Forged Mill Pinion Gear for Rotary Kiln and Ball Mills

• Customization: Available
• Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery
• Hardness: Soft Tooth Surface
• Model NO.: SYM
• Gear Position: Internal Gear
• Manufacturing Method: Cast Gear
• Toothed Portion Shape: Spur Gear
• Material: Stainless Steel
• Type: Circular Gear
• Advantage: High Efficiency Low Energy
• Color: Customized
• Power: 800-20000kw
• Factory Visit: Welcomed Warmly
• Spare Parts: Supply All Using Life
• Quality: High Level
• Price: Negotiable
• Video Outgoing-Inspection: Provided
• Transport Package: Customized
• Specification: 1000*1000*1000
• Trademark: SYM
• Origin: Shanghai
• Production Capacity: 50000pieces/Year

Product Description

Mill Pinion

The Mill Pinion is a critical component in the gear drive system of large grinding and rotary equipment, such as ball mills, SAG mills, rotary kilns, and dryers. Manufactured by Shanghai Yingyong Machinery Co Ltd (SYM), our pinions are made from high-strength alloy steels with precision machining and heat treatment to ensure long life, high load capacity, and smooth power transmission.

SYM Services

One stop EPC service engineering procurement and construction
On site installation and commissioning
Technical training and operation guidance
Spare parts support and after sales maintenance

Key Features

Mill Pinion

High Precision: CNC-machined for accurate gear meshing
Superior Materials: Made from forged or cast alloy steel (42CrMo, 35CrMo, etc.)
Surface Hardening: Carburizing, quenching, or nitriding for enhanced wear resistance
ISO/ASTM Standard Compliant: International-grade gear accuracy
Custom Manufacturing: OEM supported with drawings or mill model
Heat Treatment Traceability: Full inspection reports available

Application Fields

Mining Plants: Gold, copper, iron ore grinding mills
Cement Plants: Rotary kilns and ball mill drives
Power Stations: Coal mill gearboxes
Metallurgical Processing: Rotary dryers, furnaces, and lime kilns

Supporting Components

Mill girth gear
Shaft coupling
Mill trunnion bearing
Gearbox and reducer
Mill base and motor housing

Specification

Item	Specification
Material	42CrMo, 35CrMo, 20CrMnTi, etc.
Module	6 – 50
Gear Type	Helical / Spur
Accuracy Grade	DIN 6 – 8
Tooth Hardness	HRC 45 – 65
Gear Face Width	100 – 800 mm
Max Diameter	Up to 1600 mm
Heat Treatment	Quenching / Nitriding / Carburizing
Surface Finish	Machined and ground
OEM Service	Yes (based on drawing or sample)

Company Profile

Why Choose SYM Machinery?

20+ years of mill equipment manufacturing experience
Full range of material options and wear solutions
Precision production with CNC machining
One-stop service: design, casting, machining, and shipment
On-site technical support and installation guidance

FAQ

Frequently Asked Questions

Q1: What information do you need to produce a custom pinion?
A1: Please provide gear drawing, mill model, or detailed dimensions (module, teeth number, face width, bore size).

Q2: What materials do you offer for pinions?
A2: We offer high-strength alloy steels such as 42CrMo, 35CrMo, 20CrMnTi with heat treatment options.

Q3: Can you also supply matching girth gear or gear shaft?
A3: Yes. SYM provides full gear sets including girth gear, shaft, and couplings.

Q4: How long does your mill pinion last?
A4: Service life depends on load and lubrication. Typically 3–5 years under normal working conditions.

Q5: Do you offer third-party inspection or test reports?
A5: Yes, we provide material certificates, hardness reports, and welcome SGS, BV, or customer audits.