Product Overview

The ML4PSF100 High Torque Gear Reducer is a heavy-duty parallel shaft helical drive designed for industrial transmission systems operating under continuous load, high dynamic fatigue, and extreme shock conditions.

Constructed with case-hardened alloy gearing and a rigid vibration-dampening housing, this drive assembly delivers efficient torque transfer, thermal stability, and low noise operation across demanding processing environments.

As an export supplier of heavy gearboxes, complete technical support, tailored ratio matching, and international shipping packages are provided to meet global engineering requirements.

Technical Specifications

Engineering Parameter	Technical Specification & Standard
Model Code	ML4PSF100 Heavy Industrial Reducer
Gear Architecture	Multi-Stage Parallel Shaft Helical Gearing
Housing Material	High-Grade Grey Cast Iron HT250 / Ductile Iron Nodular Castings
Gear Materials	Premium 20CrMnTi / 17CrNiMo6 Alloy Steel
Heat Treatment	Carburizing and Quenching; Surface Hardness HRC 58 - 62
Gear Accuracy Grade	ISO 1328 Grade 6 / AGMA 11 Precision Ground
Input Speed Range	750 RPM to 1800 RPM
Mounting Orientations	Horizontal Foot Mount / Vertical Flange Mount
Lubrication Type	Splash Lubrication / Forced Oil Pump Circulation
Cooling Configurations	Natural Convection / External Fan / Internal Cooling Coil
Environmental Protection	IP55 Standard Enclosure (IP65/IP66 Options Available)
Paint & Coating Grade	Anti-Corrosion Polyurethane Epoxy Paint (C4/C5 Corrosion Class)
Quality Verification	ISO 9001, Vibration Analysis, Load Run-In Testing

Engineering Features & Performance Capabilities

Optimized Tooth Contact Geometry
Precision gear grinding combined with tooth profile modification reduces localized stress concentrations during full-load deflection. High meshing contact ratios ensure uniform torque distribution, significantly reducing mechanical wear and operational noise levels below 80 dBA.

Torsional Rigidity and Structural Integrity
The cast housing features internal structural ribbing engineered to resist dynamic torsional stresses and preserve exact centerline shaft alignment under high load spikes. This rigidity protects bearings from premature axial fatigue and prolongs internal seal longevity.

Thermal & Lubrication Balance
The internal fluid channels promote active oil displacement over gear teeth and bearing assemblies. Balanced thermal dissipating fins maintain consistent viscosity limits under high ambient operating temperatures, preventing thermal breakdown during non-stop operation.

Target Application Environments

Mining & Quarrying Operations

Intermittent shock loads, high dust concentration, and continuous operation.

Heavy jaw and cone crushers

High-capacity overland belt conveyors

Vibrating screens and ball mill drives

Cement & Processing Plants

High ambient heat, abrasive airborne particles, and low output speeds.

Rotary kilns and clinker coolers

Raw material grinding mills

Vertical bucket elevators

Metal Processing & Mills

Frequent reversals, extreme vibration, and overload risks.

Roller tables and continuous casting drives

Heavy slitting lines and charging machinery

Industrial crane hoist mechanisms

Quality Assurance & Factory Acceptance

Every gear reducer undergoes stringent factory testing before dispatch:

Ultrasonic & Particle NDT: Verifies zero internal micro-defects on shafting and gear teeth.

Full Run-In Testing: Verifies temperature rise, oil sealing tightness, and vibration limits under dynamic rotation.

Dimensional Inspection: CMM measurements confirm precise center distance tolerances.

Export Packaging & Logistics Protection

VCI Vapor Rust Inhibition: Internal components and ground shaft surfaces are coated with long-acting anti-corrosion compounds.

Vacuum Protective Wrapping: Sealing against marine atmospheric humidity during long-distance ocean transit.

Fumigation-Free Packaging: Heavy-duty reinforced wooden cases compliant with IPPC export transit regulations.

CERTIFICATES of ML4PSF100

FAQ

Q: What operational conditions is the ML4PSF100 high torque gear reducer engineered for?

A: The ML4PSF100 gear reducer is engineered for continuous, heavy-duty industrial applications characterized by high output torque demands, frequent shock loading, and harsh environments. Typical uses include overland mining conveyors, heavy rock crushers, cement kilns, and steel rolling mill tables.

Q: Is it possible to customize the input motor flange, gear ratio, or output shaft dimensions?

A: Full engineering customization is available to match existing equipment dimensions. Shaft diameters, keyway designs, hollow shaft configurations, specific gear ratios, and custom motor adapter flanges can be produced according to project drawings.

Q: What lubrication and thermal cooling options can be integrated into this unit?

A: Standard units use oil splash lubrication and natural air cooling. For heavy continuous operation or elevated ambient temperatures, options include integrated forced lubrication pumps, mechanical cooling fans, or internal cooling water coils.

Q: How are gear reducers protected against corrosion and moisture during ocean shipping?

A: Exported units undergo multi-stage protective processing. Precision metal surfaces are coated with vapor corrosion inhibitor compounds, the gearbox is sealed within a moisture-proof vacuum barrier, and the entire assembly is secured inside a heavy-duty, IPPC-compliant fumigation-free wooden case.

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SEW ML4PSF100 High Torque Gear Reducer