Description

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Linear-to-rotary force transmission subsystem. Engineered for induction-hardened, precision-ground/milled racks paired with matching helical/spur pinions and modular alignment interfaces. Built for high-dynamic-response axes, zero-backlash preload configuration, and multi-shift continuous duty cycles.

Technical Specifications

Parameter	Standard Range / Specification	Verification & Traceability Method
Module (m)	m1.5 – m12	Gear Caliper / Precision Micrometer
Accuracy Grade	DIN 6h22 to DIN 9h25 (AGMA Q10–Q7 equivalent)	Zeiss CMM Cumulative Pitch Analyzer
Material Base	42CrMo4 (1.7225), C45 (1.0503), 16MnCr5	EN 10204 3.1 Mill Test Certificate
Heat Treatment	Induction Hardened: 58-62 HRC (Effective depth 1.5-3.0 mm)	Rockwell / Micro-Vickers Cross-Section
Tooth Flank Finish	Precision Ground (Ra 0.4-0.8 um) or Hobbed	Portable Roughness Tester
Single-Piece Length	1000 mm, 1500 mm, 2000 mm, 3000 mm (Custom up to 6000 mm)	Laser Interferometer Linear Calibration
Pressure Angle (alpha)	20 deg (Standard)	Optical Profile Projector

Key Performance Features

Helical Overlap Ratio (εβ > 1.5): Suppresses mesh impulse and acoustic emission at linear transit speeds > 120 m/min.

Continuous Pitch Line Continuity: Precision ground end-faces combined with dowel-pin reference alignment for multi-segment bridge jointing without pitch accumulation jump.

Engineered Hardness Gradient: Controlled core-to-surface transition profile mitigating root-fatigue cracking under high reverse-acceleration cycles.

Environmental Sealing: Black oxide (QPQ) or electroless nickel plating available for high-humidity/washdown automation cells.

Application Envelope

High-Dynamic Gantry Laser Systems: Acceleration a <= 1.5g, velocity 160 m/min, bidirectional positioning tolerance +/- 0.03 mm/m.

Heavy-Duty CNC Gantry Mills: High metal-removal rate, dual-pinion mechanical/electronic anti-backlash preload structure.

Robotic 7th-Axis Linear Tracks: High duty-cycle dynamic shuttle supporting heavy payload industrial robot transport units.

Customization Capabilities

Geometry Modification: Non-standard face width, height adjustment, custom counterbored/tapped mounting hole matrix matching bed casting drawings.

Zero-Alignment Interface: Integrated dowel pin holes (H7) along bottom/side reference edge.

Long-Stroke Integration: Single-segment precision grinding up to 3000 mm; supplied with matching optical/mechanical alignment gauge blocks.

Manufacturing Quality Control

Pitch Audit: 100% batch audit for cumulative pitch error (Fp) via optical/laser pitch checkers.

Metallurgical Assurance: Heat-number stamp linked directly to destructive cross-sectional hardness depth reports.

Straightness & Runout: Verified <= 0.02 mm/m on granite reference tables via dial indicator sweeps.

Manufacturing Assets & Compliance Flow

Machining Asset Base: Gleason and Reishauer high-precision hobbing and grinding centers; multi-axis CNC milling for base reference surfaces.

Process Route: Sawing -> Rough Milling -> Hobbing -> Induction Hardening -> Face Grinding -> Flank Grinding (Grade 6/7) -> Anti-Corrosion Treatment.

Quality Framework: ISO 9001:2015 certified. CMM dimensional + hardness profile inspection sheets shipped with every logistics batch.

Packaging & Logistics Engineering

Corrosion Protection: VCI anti-corrosion vacuum stretch-wrap sealed with sealed silica-gel desiccant packs.

Crate Architecture: Fumigation-free heavy-duty plywood skids featuring custom timber V-blocks to eliminate tooth-flank bruising and point-load impact during container freight.

Fulfillment Lead Time: Stock modules (m2-m6, DIN 8): 7–10 working days. Ground precision grades (DIN 6): 25–35 working days.

Engineering FAQ

Q: How is pitch discontinuity eliminated across multi-rack joints?

A: Utilize our ground jointing fixture block engaging 3 matching teeth across the joint interface while torquing foundation bolts progressively from center outward. Resulting joint cumulative step error remains < 0.015 mm.

Q: What are the lubrication parameters for high-speed continuous operation?

A: Automated felt-pinion applicator fed with ISO VG 220 synthetic gear oil at 0.05 cm3/gear rev, or high-load lithium-complex grease applied every 80 operating hours.

Q: Can mating pinions be supplied finished to print?

A: Yes. Provide H7 bore tolerances, keyway specs (DIN 6885 / ANSI B17.1), and set-screw/taper-lock requirements.

Q: What is the prototyping, FAI, and PPAP workflow for new OEM platforms?

A: 300 mm qualification sample pieces available. Full PPAP Level 3 documentation, CMM inspection reports, and EN 10204 3.1 mill certs provided upon serial project agreement.

Request a Quote (RFQ)

Submit technical and commercial parameters for engineering review (< 12 working hours SLA):

Module (m)	[ Dropdown / Input, e.g., m3 ]
Accuracy Grade	[ DIN 6h22 / DIN 7 / DIN 8 (AGMA equivalent) ]
Segment Length & Total Stroke	[ E.g., 2000 mm x 16 pcs ]
Material & Heat Treatment	[ E.g., 42CrMo4 Induction Hardened Ground ]
Mating Pinioning	[ Required (Module/Z specified) / Drive Side Only ]
Dynamic Load Profile	[ Max acceleration a / Continuous thrust force Ft in kN ]
Project Commercial Scope	[ Serial Annual Forecast / FAI Prototype Evaluation ]
Target Annual Volume / Batch Size	[ E.g., 150 sets/year ]
CAD / Blueprint Attachment	[ Drag & drop STEP / DXF / PDF / Drawing ]