20CrMnTi Alloy Steel High-Precision Straight Bevel Gear

Product Specification

High-Precision Straight Bevel Gear Made of 20CrMnTi for Precision Transmission Systems

A high-precision straight bevel gear is a mechanical power transmission component used between intersecting shafts. Its tooth profile is distributed on a conical surface with straight tooth lines. Compared with standard bevel gears, it offers tighter tolerances, higher efficiency, and lower noise, making it suitable for high-load and precision transmission systems.

Product Features

• High precision Grade 3–5 after gear grinding, low backlash, smooth tooth surface, excellent repeat positioning accuracy.
• Paired lapping optimizes meshing contact area, low impact, vibration & noise, constant transmission ratio.
• No spiral axial force, light bearing load, 90° power steering, compact overall layout.
• Carburized quenched alloy steel, hard tooth surface & tough core, anti-pitting & anti-breakage, long service life under alternating load.
• Supplied in matched pairs without on-site trimming, easy assembly & maintenance, lower cost than spiral bevel gears.
• Customizable module & gear ratio, compatible with servo, stepper, hydraulic and other power equipment.

Technical Parameter Table

Main Applications

• Precision automation equipment: servo reducers, CNC dividing mechanisms, robot joints, 3C automation tooling.
• Medical & optical precision instruments: surgical drive modules, image steering parts, lab precision transmission components.
• General industrial equipment: machine tool feed system, packaging/printing/textile machinery, miniature steering gearboxes.
• Special lightweight equipment: new energy steering drives, test benches, light agricultural & garden machinery.

Product Advantages

• Top precision: grinding minimizes tooth error, low backlash, high positioning accuracy.
• Stable & low-noise running: paired lapping improves meshing, low vibration and constant ratio.
• Excellent load capacity: carburized hard teeth, impact & fatigue resistant.
• Compact & cost-saving structure: 90° transfer with tiny axial force, low bearing loss.
• High cost performance: easier to process than spiral bevel gear, short lead time, low maintenance cost.
• Wide compatibility: customizable module & ratio, fit all kinds of power drives.

Production Process

• Blank preparation: alloy steel forging + normalizing to remove forging stress.
• Rough machining: CNC turning for outline, CNC planing for rough tooth cutting.
• Heat treatment: vacuum carburizing quenching & low-temperature tempering for hard surface and tough core.
• Precision finishing: CNC gear grinding to correct thermal deformation, paired lapping to optimize meshing contact.
• Inspection & finishing: full-size precision testing, anti-rust treatment, matching marking, cleaning and packaging.

Cautions

• Installation alignment: Keep two shafts vertically intersected at 90°, control axis offset & gear backlash, calibrate meshing contact spots.
• Standard lubrication: Select matched gear oil according to rotating speed, replace & filter oil regularly, do not mix different lubricants.
• Operation control: Avoid overload, frequent start-stop & forward-reverse switch, limit operating temperature, prohibit long-term over-speed operation.
• Daily maintenance: Regularly inspect tooth surface wear, pitting and cracks, replace damaged gears immediately; avoid hitting tooth surface during disassembly.
• Storage requirements: Separately pack matched gears for rust prevention, store in dry low-humidity environment away from corrosive substances.

Why Choose us?

• 7-axis CNC Grinding: We adopt high-precision 7-axis CNC grinding machines, holding tolerances as tight as ±5μm, ensuring gears run quietly, smoothly and with outstanding durability.
• Strong technical expertise: Our core R&D team includes doctoral and master’s professionals specializing in spiral bevel gear technology, providing strong technical support for complex projects.
• Rigorous testing & high precision: All gears undergo 100% inspection with Gleason metrology systems. We can achieve DIN 6 grade accuracy with strict control over tooth profile and direction errors, keeping our quality at the industry-leading level.
• High transmission efficiency: Our gear designs support a single-stage reduction ratio of up to 300:1, with actual transmission efficiency reaching over 95%, greatly improving energy utilization.
• Excellent durability & cost efficiency: Our gears deliver 40% lower lifecycle cost and a failure rate below 0.5%, ensuring stable long-term operation and reduced maintenance costs.
• Fast response & short lead time: Supported by our digitalized production process, we are able to shorten the delivery cycle to only 20 working days, helping you accelerate project development and launch.
• Professional custom design capability: We provide fully customized gear solutions for applications requiring high-reduction, high-speed, heavy-load, low-noise, and special small-tooth profiles, based on your actual working conditions.