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Help CenterJDX630 Ball Mill Gearbox 75kW Splined Output Shaft Double Lip Oil Seal
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As a dedicated manufacturer from Jiangsu Manqi Machinery Co., Ltd. (established in 2017, located in Suzhou, Jiangsu, China), we take pride in delivering robust and reliable power transmission solutions for heavy industries. Our JDX630 Ball Mill Gearbox 75kW Splined Output Shaft Double Lip Oil Seal is engineered to withstand the demanding conditions of mineral processing, cement production, and ore grinding applications. With a factory spanning 10,000–30,000 square meters and a skilled team of 11–50 professionals, we combine precision manufacturing with rigorous quality control to ensure each gearbox meets global standards for durability and performance. This model features a splined output shaft for secure torque transmission and a double lip oil seal design that effectively prevents lubricant leakage and contamination, even under high-vibration environments.
The JDX630 gearbox is specifically designed for ball mills requiring a 75kW power input, offering a compact yet powerful drive solution. Its helical bevel gear configuration provides smooth, quiet operation and high efficiency (up to 95%), while the splined output shaft ensures positive coupling with the mill’s pinion shaft. The double lip oil seal extends service intervals by reducing wear and keeping contaminants out. Below are the key technical specifications and benefits for your reference:
| Parameter | Value |
|---|---|
| Rated Power | 75 kW |
| Input Speed | 1500 rpm (typical) |
| Output Speed (nominal) | 30–60 rpm (depending on gear ratio) |
| Output Shaft Spline | DIN 5480 or custom spline available |
| Oil Seal Type | Double Lip (nitrile or FKM option) |
| Housing Material | GGG40 ductile iron (standard) |
| Gear Hardness | Carburized & ground (58–62 HRC) |
| Lubrication | Splash + forced oil circulation (optional) |
Key Features of the JDX630 Ball Mill Gearbox:
- High Torque Capacity: The helical bevel gear design ensures optimal load distribution, delivering high torque output for heavy mill starting and constant operation.
- Enhanced Seal Protection: Double lip oil seal effectively prevents lubricant loss and ingress of abrasive dust, extending bearing and gear life.
- Splined Output Shaft: Provides backlash-free connection to mill pinion, reducing vibration and noise while improving transmission accuracy.
- Robust Housing: Ductile iron casing withstands shock loads and thermal expansion, ensuring structural integrity even in harsh environments.
- Modular Design: Available with various input/output configurations, mounting flanges, and cooling options to suit your specific mill layout.
- Easy Maintenance: Accessible inspection covers and oil drain ports simplify routine checks and oil changes.
- Customizable: Ratios, shaft extensions, and special coatings (e.g., anti-corrosion) can be provided upon request.
Benefits for Your Operation:
- ✓ Reduced downtime due to reliable sealing and robust construction.
- ✓ Energy savings from high-efficiency gear meshing (up to 95% efficiency).
- ✓ Longer service intervals – typical oil change period is 6–12 months under normal conditions.
- ✓ Lower noise levels compared to traditional straight bevel gearboxes.
- ✓ Compatibility with most ball mill drives (input via motor flange or coupling).
- ✓ Worldwide compatibility with standard spline dimensions (DIN, ISO, ANSI).
Since our founding in 2017, Jiangsu Manqi Machinery has supplied gearboxes to markets across Eastern Europe, Southeast Asia, Africa, and South Asia. Our products are exported via the Port of Shanghai, and we maintain strict quality checks throughout production. With an annual export value under US$1 million, we focus on building long-term relationships with clients who value quality over mass production. Our team of 11–50 professionals ensures every JDX630 gearbox undergoes thorough testing before shipment.
Frequently Asked Questions (FAQ):
-
Q: What is the typical lifespan of the JDX630 gearbox under continuous operation?
A: With proper maintenance (regular oil changes, seal inspections), the gearbox can operate reliably for over 10 years in normal ball mill service. -
Q: Can I use this gearbox with a different motor power than 75kW?
A: The housing and gear set are designed for 75kW nominal; using a lower power is acceptable, but higher power requires our engineering review – please consult us with your application details. -
Q: Are spare parts (seals, bearings) readily available?
A: Yes, we offer standard replacement parts. The double lip oil seal and bearings are common SKF/NSK types, easily sourced locally or directly from us. -
Q: What lubricant is recommended for the JDX630?
A: We recommend ISO VG 320–460 synthetic gear oil depending on ambient temperature. A detailed lubrication guide is provided upon shipment. -
Q: How is the gearbox shipped – pre-assembled or partially disassembled?
A: The unit is fully assembled, filled with preservative oil, and securely crated for sea freight. Disassembly is only required if requested for lifting constraints. -
Q: Can the output shaft spline be customized to non-standard dimensions?
A: Yes, we can machine splines according to your existing pinion coupling. Please provide drawings or samples. -
Q: Do you offer a warranty?
A: We provide a standard 12-month warranty covering manufacturing defects. Extended warranty options are available upon negotiation. -
Q: What is the lead time for this gearbox?
A: Typical lead time is 30–45 working days after order confirmation, depending on customization and current production schedule.
We invite you to partner with Jiangsu Manqi Machinery for your ball mill drive solutions. Our experienced engineers are ready to discuss your specific requirements, provide technical drawings, and offer competitive pricing. Contact us today for a quotation or product consultation. With our proven track record in serving global markets and our commitment to quality, the JDX630 gearbox is a reliable choice for your mill’s productivity.
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