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1. Material: Q355B low-alloy structural steel
2. Manufacturing Process: Cutting, assembly welding, stress relief, precision machining, and assembly.
3. Dimensional Features: The unit is a large, elongated heavy-duty enclosure with thick, robust steel walls; the end faces are equipped with two large-diameter bearing mounting holes. Inside, multiple layers of square‑shaped stiffening ribs are arranged to enhance structural rigidity while keeping the overall weight under control. Standardized bolt holes are provided on the split surfaces, enabling the housing to be disassembled for internal maintenance; the hole locations meet precision tolerances, ensuring tight and secure mating when assembled.
4. Surface Treatment: Grind the weld seams, remove slag, weld beads, and burrs, and sandblast to remove rust, then apply the coating.
5. Product Application: This component is a heavy-duty welded gearbox housing, designed to enclose and support the internal gears, bearings, and transmission elements of the gearbox. It is primarily used in mining and aggregate processing lines, paired with roll crushers, heavy-duty apron feeders, and high‑power belt conveyors. The housing effectively cushions the continuous impacts and vibrations generated during crushing operations, while its split‑bolt design allows the casing to be disassembled for convenient gear maintenance and replacement of worn bearing components.
Product Details
Machining Capabilities
Integrated services covering CNC machining, turning, milling, grinding, drilling, sawing, cutting, leveling, welding, and assembly.
Processed products
Large plates, flanges, shafts, welded frames, bases, hardware components, aluminum parts, and tooling fixtures.
Processable materials
Carbon steel, alloy steel, stainless steel, aluminum, copper, POM, ABS, acrylic…
Surface treatment
Galvanizing/phosphating/chromating, blackening, anodizing, wire drawing, sandblasting, baking varnish, spray painting, electrophoretic coating, nitriding…
Drawing Requirements
PDF/CAD/3D
Samples Available
Yes
Sample Lead Time
7–15 days
Machining accuracy
±0.01 to ±0.05 mm
Roughness
Ra 0.8~3.2
Inspection
Incoming material inspection → First-piece inspection → In-process inspection → Pre-shipment inspection
Packaging
Carton/Pallet/Wooden crate
Certificate
ISO9001:2015
Lead Time
1–6 weeks
Supply model
Supports single-item prototyping, small-batch trial production, and large-scale mass production.
Delivery Service
We offer machining with customer-supplied materials or with materials supplied by us, along with 3D modeling and process optimization.
After-sales service
Shipping includes a dimensional inspection report (if required); rapid response and corrective action for quality issues.
Logistics
We can arrange dedicated vehicle delivery for oversized items and provide reinforced protection with wooden crates.
Application areas
Lithium Extraction Equipment for Salt-Lake Brines
Lithium Battery Equipment for New Energy Applications
LCD Display Vision-Inspection and Burn-In Equipment
Hengan Paper Industry Packaging Machine Series
3D polishing equipment
Specializing in the custom manufacturing and supply of components for automated non-standard equipment.
Keywords:
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No. 74, Zhennan 2nd Road, Xike, Tong'an District, Xiamen, Fujian, China
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