The Splined Low Speed Output Shaft Free Forging for Industrial Drive Systems is a robust forged component designed to transmit high torque at reduced rotational speeds in demanding mechanical environments. Manufactured from high-strength alloy steels such as 42CrMo4, 20CrMnTi, these shafts offer superior fatigue strength, shock resistance, and dimensional stability.
Key Features:
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Engineered for heavy-load, low-speed torque transmission in gear reducers, mills, and mixers
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Forged with a ≥ 3.0 forging ratio to ensure optimal grain flow for resistance to torsional and bending stresses
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Compatible with splined, flanged, stepped, or keyed designs to suit various drive interfaces
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Heat-treated via quenching + tempering or normalizing, with optional stress relief for enhanced machining precision
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Subjected to comprehensive ultrasonic and mechanical testing, ensuring internal integrity and consistent performance
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Available in solid or bored configurations for different transmission setups
Applications:
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Gearboxes in heavy-duty equipment such as cement kilns, crushers, mixers, rolling mills, and conveyors
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Low-RPM power transmission shafts in mining, marine, and metallurgical sectors
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Drive systems requiring high torque stability, long service life, and reliable power delivery
| Item | Details |
| Product Name | Splined Low Speed Output Shaft Free Forging for Industrial Drive Systems |
| Material Grades | - High-strength alloy steels: 42CrMo - Carbon Steel :45# - Optimized for low-speed, high-torque transmission - Excellent fatigue resistance, torsional strength, and dimensional durability |
| Forging Equipment | - Hydraulic hammers: 5T / 8T / 12T - 3600T open-die forging press ideal for thick, stepped, and flanged shaft geometries - Supports complex profiles including splines, keyways, and bearing shoulders |
| Manufacturing Process | Hot Forging → Normalizing / Quenching + Tempering → Ultrasonic Testing → Rough / Semi-Finish Machining → Dimensional & Surface Inspection |
| Forging Ratio | ≥ 3.0 — Enhances grain alignment for superior bending and torsional resistance in slow-speed, heavy-load operation |
| Applications | - Output shafts in industrial gear reducers, rolling mills, cement drives, and mixers - Main drive shafts for mining conveyors and metallurgical processing units - Rotational components operating under high torque and cyclical loads |
| Heat Treatment Options | - Quenched + Tempered for improved mechanical performance and surface hardness - Normalizing for internal stress relief and machining stability - Optional stress relief before precision finishing |
| Testing & Inspection | - Chemical: Spectrometer alloy composition verification - Mechanical: Hardness, tensile, yield, impact testing (axial & transverse) - Ultrasonic (UT): 100% full-length, multi-angle flaw detection - Dimensional: Keyway accuracy, journal concentricity, shaft straightness, shoulder length |
| Value-Added Services | - Pre-machining: splines, keyways, shoulders, threads - Custom chamfering and bore profiling - Full traceability: heat number, forging batch, test certificates - Protective packaging for long-haul and export shipping |
The steel forgings production flow:
Raw material steel ingot into warehouse(test the chemical composition) → Cutting→ Heating(Furnace temperature test) → Heat treatment after forging(Furnace temperature test) Discharge the furnace(blank inspection)→ Machining→ Inspection(UT,MT,Visal dimension, hardness)→ QT→ Inspection(UT, mechanical properties, hardness, grain size)→ Finish machining→ Inspection (dimension)→ Packing and Marking(steel stamp, mark)→ Storage Shipment.
Frequently Asked Questions (FAQs)
1. What is your forging weight range?
We produce forged parts ranging from 100 kg to 7000 kg.
2. Do you provide heat treatment and machining?
Yes, we offer full in-house heat treatment, rough, and finish machining services.
3. Which industries do you supply to?
We serve wind energy, heavy equipment, port machinery, transmission systems, and more.
4. What is your production lead time?
With stock: Around 30 days
Without stock: 40–45 days
5. Where is your factory located?
In Changzhou City, near Shanghai, with shipping via Shanghai Port.
Request a Quote
Please send your technical drawings and requirements to us. Our engineers will review and provide you with a professional quotation and solution shortly.
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Splined Low Speed Output Shaft Free Forging for Industrial Drive Systems Images
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