Bearing Assembly
Product Model: 17-50-011204 (Customizable)
Core Materials:
– Main Bearing (Rolling Elements): Made of bearing steel (e.g., GCr15), hardened (hardness ≥ HRC60) to ensure wear resistance.
– Bearing Cage: Made of engineering plastic (e.g., PA66+GF) or copper alloy for low-friction operation.
– Transmission Structural Components (Harmonic Drive Parts): Made of high-strength alloy steel (e.g., 40CrNiMo) to ensure transmission rigidity.
– Housing: Made of aluminum alloy (black parts in the illustration), balancing lightweight construction with installation strength.
Processing Techniques:
Bearing Machining:
– Inner and Outer Bearing Rings: Processed via CNC turning → grinding (roundness error ≤ 0.003mm) → super-finishing (surface roughness Ra ≤ 0.02μm).
– Rolling Elements: Processed via cold heading → heat treatment → lapping (spherical error ≤ 0.002mm).
Integrated Assembly:
– The bearing and harmonic drive structure are positioned and assembled using precision tooling to ensure coaxiality (error ≤ 0.01mm).
– After assembly, the unit undergoes grease filling → sealing treatment → performance testing (speed, noise, transmission accuracy).
Product Features:
– Integration: Combines “bearing support + harmonic drive” in one unit, reducing equipment assembly steps.
– High Precision: Bearing rotational accuracy ≤ 0.005mm; transmission accuracy up to 1 arc minute.
– High Load Capacity: Capable of withstanding combined radial/axial loads; radial load capacity ≥ 500N.
– Low Friction: The design of the rolling elements and cage achieves a friction coefficient ≤ 0.001.
– Long Life: Rated service life ≥ 10,000 hours (under normal operating conditions).
Applicable industries:
(Precision Transmission, Medical Instruments, Semiconductor Equipment, and Optical Inspection Equipment Industry)
– Precision Rotary Equipment: Rotating tables for medical instruments, wafer transfer arms for semiconductor equipment.
– Small Transmission Mechanisms: Joint rotation units for micro-robots, lens focusing mechanisms for 3C equipment.
– Light-load High-precision Equipment: Stage rotation shafts for optical inspection equipment, moving parts for precision laboratory instruments.
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OEM/ODM
Precision stamping tooling design & manufacture
Main stamping equipment in the stamping workshop: 13 sets of high-speed precision punch presses with specifications such as 16 tons, 25 tons, 40 tons, 60 tons, 80 tons, 110 tons, and 200 tons. The speed of the precision high-speed punch press can reach 500 times per minute.
Materials for stamping processing: brass, phosphor bronze, beryllium bronze, nickel white copper, as well as various types of steel and stainless steel materials, Ni strips, cold-rolled steel, strip steel (including pre-plated), galvanized sheets, low-carbon steel, spring steel, and other composite materials.
Precision sheet metal manufacture
The sheet metal workshop is equipped with precision sheet metal processing equipment, including 2 large-scale advanced CNC laser cutting machines, 1 CNC punch press, 5 CNC bending machines, as well as riveting machines, welding machines, grinders, wire drawing machines and other equipment.
The processed products cover industrial automation, medical equipment, electrical equipment, electrical boxes, electrical junction boxes and other fields. It can perform precision processing such as rapid cutting and sheet metal processing on the following metal materials: stainless steel, carbon steel, silicon steel, aluminum alloy, galvanized sheet, aluminum-zinc plated sheet, etc.
Powder Coating & Painting
One automatic powder coating line;
One manual powder coating line (for large parts and large boxes);
One manual painting line (for large parts and large boxes);
One automatic powder coating and painting hybrid line under construction.
Precision machining
The machining workshop is equipped with precision equipment, including 6 sets of 4-axis CNC machines, 1 set of 5-axis swiss-type lathe, 13 sets of precision CNC lathes, 4 sets of CNC milling machines, 16 sets of Taiwan Mingyang precision automatic lathes, as well as precision ordinary lathes, precision 3-axis digital display milling machines, precision bench lathes, Taiwan Jizuan automatic edge milling machines, precision thread rolling machines, thread rolling dies, precision tapping machines, precision drilling machines, precision Taiwan digital display milling machines, precision knife grinders, internal and external cylindrical grinders, centerless grinders, sawing machines, ultrasonic cleaning and drying machines, polishing machines, electric welders, arc welders and other equipment.
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blog articles
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Advantages of precision stamping
30
June
Precision stamping components offer the following advantages: (1) Easy control and high production efficiency. These components are typically manufactured using stamping tooling and specialized equipment, making automated production straightforward. (2) The use of molds during manufacturing ensures dimensional consistency across products. (3) Modern precision metal stamping technology can produce diverse components, even those with complex designs, demonstrating broad applicability across industries.(4) Precision metal stamping parts generally produce minimal scrap during production, enabling efficient material utilization and resulting in relatively low manufacturing costs.
The manufacturing process involves operations such as blanking, bending, deep drawing, forming, and casting-rolling. The raw materials typically consist of hot-rolled or cold-rolled metal sheets (primarily cold-rolled), including carbon steel plates, alloy steel plates, spring steel plates, galvanized sheets, tin-plated sheets, stainless steel sheets, copper and copper alloy sheets, aluminum and aluminum alloy sheets. The hardness testing of stamping materials primarily evaluates whether the purchased metal sheets’ quenching levels are suitable for subsequent stamping processes. Different types of stamping operations require the use of steel plates with corresponding strength grades.
Precision stamping components are manufactured using high-precision toolings through single-station clamping and positioning in the punching process. Given the stringent dimensional accuracy and positional tolerance requirements for workpieces on stamping machines, rigorous finishing processes including die sharpening, heat treatment, surface treatment, and assembly are essential. As these parts are typically produced in small batches or as discrete components, the machinery requirements are relatively modest. During stamping, material flows into the die cavity through gaps in the tooling or mold, where pressure-induced separation or plastic deformation forms the desired shape and structure. After pressure release and controlled process management, the finished product is obtained. This demonstrates that stamping technology represents a classic example of cold forming techniques.
In the production process, to ensure product quality and efficiency while reducing waste and conserving energy, the following practical measures should be implemented: 1. Proper tool selection. 2. Rational choice of raw materials. 3. Establishment of standardized production protocols. 4. Continuous technical training for operators. 5. Enhancement of machine automation. 6. Optimization of working conditions.
The manufacturing characteristics of stamped parts:(1) the utilization rate of materials is high.(2) it can be used to make complex products from relatively thin sheets.(3) it can be made into various structures containing structural columns.
Investigation on the causes and improvement of deformation in precision machining
30
June
The precision mechanical processing performance is not only vital to corporate interests but also safety-critical. While generating economic benefits, it significantly reduces workplace accident risks. Therefore, preventing component deformation during manufacturing is paramount. Operators must consider all relevant factors and implement preventive measures to ensure product integrity. To achieve this, analyzing deformation causes in machining processes and developing reliable countermeasures are essential. These efforts will establish a solid foundation for realizing modern enterprise development strategies.
- Analysis of the causes of deformation in precision machining
- The internal force causes the change of machining accuracy of parts
In lathe machining, the cohesive force principle is typically applied. By using the lathe’s three-jaw or four-jaw chuck to securely hold workpieces, precision mechanical processing can be performed. To ensure parts remain clamped under force and minimize internal axial stress, the clamping force must exceed the mechanical cutting force. The clamping force increases proportionally with the cutting force and decreases accordingly. This operational approach ensures stable force distribution during machining. However, when the three-jaw or four-jaw chuck is released, the machined parts often deviate significantly from the original design—some exhibit polygonal shapes, others become oval, resulting in substantial dimensional deviations.
- It is easy to produce deformation after heat treatment
Sheet metal components, characterized by their large aspect ratio, are prone to developing “hat-shaped bending” after heat treatment. This deformation manifests in two primary ways: first, midsection bulging that amplifies surface flatness deviations; second, bending induced by external environmental factors. These deformation issues arise not only from altered internal stresses post-heat treatment but also stem from operators’ insufficient expertise in component structural stability, which significantly increases deformation risks.
- Elastic deformation caused by external force
There are four primary causes of elastic deformation in mechanical processing. First, components containing internal thin plates require more precise machining techniques. When workers fail to align these components with design drawings during positioning and clamping, elastic deformation often occurs. Second, uneven surfaces on lathes and fixtures create uneven stress distribution during clamping, causing the weaker side to deform under force during cutting. Third, improper positioning during machining reduces component stiffness. Fourth, cutting forces themselves contribute to elastic deformation. These multiple factors collectively demonstrate how external forces significantly impact machining quality.
