Jiande Welfine Technology Co., Ltd. Home / Products / Powder Metallurgy Structural Parts / Gears & Hubs / AB Powder Metallurgy Double Pinion Gear (Z46/Z11, M0.8)

AB Powder Metallurgy Double Pinion Gear (Z46/Z11, M0.8)

Core Specifications

Parameter Specification
Gear Teeth Z46 (large gear) & Z11 (small pinion)
Module 0.8
Small Gear Bore 11 mm
Material AB powder metallurgy (high-strength iron-based alloy)
Heat Treatment Quenching & tempering
Hardness HRC 32–38
Production Process Powder compaction → Sintering → Precision machining → Heat treatment → Finishing
Application Precision transmission systems, industrial machinery, automotive components
CONTACT US AB Powder Metallurgy Double Pinion Gear (Z46/Z11, M0.8)
  • AB Powder Metallurgy Double Pinion Gear (Z46/Z11, M0.8)
  • AB Powder Metallurgy Double Pinion Gear (Z46/Z11, M0.8)
  • AB Powder Metallurgy Double Pinion Gear (Z46/Z11, M0.8)

Specifications

Core Specifications

Parameter Specification
Gear Teeth Z46 (large gear) & Z11 (small pinion)
Module 0.8
Small Gear Bore 11 mm
Material AB powder metallurgy (high-strength iron-based alloy)
Heat Treatment Quenching & tempering
Hardness HRC 32–38
Production Process Powder compaction → Sintering → Precision machining → Heat treatment → Finishing
Application Precision transmission systems, industrial machinery, automotive components

Key Advantages & Features

1. Premium AB Powder Metallurgy Material

Crafted from high-strength AB iron-based powder metallurgy alloy, this gear offers:

Uniform material microstructure for consistent mechanical properties

Excellent machinability and dimensional accuracy

High load-bearing capacity and impact resistance

2. Optimized Heat Treatment

Hardness Control: Heat-treated to HRC 32–38, balancing hardness and toughness to resist wear while preventing brittleness.

Microstructure Refinement: Improves fatigue life and thermal stability, suitable for long-term operation in demanding environments.

Dimensional Stability: Precision heat treatment minimizes deformation, ensuring tight tooth meshing and smooth transmission.

3. Precision Dual-Tooth Design

Z46 & Z11 Teeth (M0.8): Optimized tooth profile for efficient power transfer, low noise, and minimal backlash.

Integrated Structure: One-piece double pinion design eliminates assembly errors, improving overall transmission reliability.

11 mm Bore (Small Gear): Standard bore size for easy mounting and alignment with shafts and bearings.

Durable & Low-Maintenance

High wear resistance extends service life, reducing replacement frequency and maintenance costs.

Stable performance under variable load and temperature conditions, suitable for industrial automation and automotive systems.

Application Scenarios

This double pinion gear is widely used in:

Industrial Automation: Robotics, CNC machines, and conveyor systems

Automotive Components: Vehicle transmission systems, seat adjusters, and window lifters

Power Tools: Electric drills, grinders, and saws

Office & Household Appliances: Printers, copiers, and small household machinery

Precision Instruments: Medical devices, measuring equipment, and optical systems

 

Why Choose Our Double Pinion Gear?

  1. Material Expertise: AB powder metallurgy ensures superior mechanical performance and cost-effectiveness compared to traditional forged gears.
  2. Precision Manufacturing: Strict quality control from powder compaction to heat treatment guarantees consistent tooth profile and dimensional accuracy.
  3. Heat Treatment Advantage: Customized heat treatment process achieves HRC 32–38 hardness, optimizing wear resistance and toughness for long service life.
  4. Customization Support: We can adjust tooth counts, modules, bore sizes, and hardness to meet specific application requirements.

Reliable Supply: Stable production capacity and quality assurance systems ensure on-time delivery for bulk orders.

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About Us
Jiande Welfine Technology Co., Ltd.
Jiande Welfine Technology Co., Ltd.
Founded in 2001, Jiande Weijia Technology Co., Ltd. is a high-tech enterprise integrating R&D, production, and sales. We specialize in powder metallurgy sintering and related precision machining, primarily producing powder metallurgy bushings, self-lubricating bushings, and various precision components. Our products are widely used in multiple industrial sectors. We are China M0.8 powder metallurgy double pinion gear manufacturers and OEM/ODM M0.8 powder metallurgy double pinion gear factory.

The company boasts a modern production base of 13,039 square meters, with a scientifically planned layout and equipped with advanced production and testing equipment, ensuring efficient production and continuous technological innovation. Leveraging our extensive experience in the powder metallurgy industry, we continuously optimize our production processes, improving the production efficiency, dimensional accuracy, and performance of bushings and sintered components to meet the high standards of our global customers.

The company has an experienced and well-structured professional team, including skilled production personnel and technical engineers focused on R&D and quality management. We can provide OEM/ODM customized bushing solutions based on customer drawings or samples, achieving stable delivery and flexible production.

We strictly implement our quality management system and have passed ISO 9001:2015 and IATF 16949:2016 management system certifications, ensuring that our bushing products maintain high standards in reliability, consistency, and durability.

Adhering to the development philosophy of technology leadership and quality priority, the company is committed to becoming a long-term trusted partner for our customers and continues to strive towards becoming a benchmark enterprise in the powder metallurgy bushing industry.

Certificate Of Honor
  • High-Tech Enterprise Certificate
  • Quality Management System Certification
  • Quality Management System Certification
  • Environmental Management System Certification
  • Environmental Management System Certification
  • Certificate of Occupational Health and Safety Management System Certification
  • Certificate of Occupational Health and Safety Management System Certification
News
AB Powder Metallurgy Double Pinion Gear (Z46/Z11, M0.8) Industry knowledge

Quantitative Advantages of Powder Metallurgy over Machined Steel in Batch Production Cost Control and Tooth Consistency for M0.8 Double Pinion Gears

For small-module double pinion gears (M0.8), precision and cost-efficiency are critical. The powder metallurgy (PM) process offers substantial quantifiable benefits over traditional machined steel (e.g., hobbing + shaping) in both economic and quality terms. Jiande Welfine Technology Co., Ltd., with its IATF 16949-certified PM facility, delivers these advantages to customers worldwide.

1. Quantified Advantage in Batch Production Cost Control

  • Material Utilization Rate: Machined steel gears start from solid bar stock or forging blanks, with 40–55% of material removed as chips (waste). PM gears use near-net-shape compaction, achieving >97% material utilization. For a typical M0.8 double pinion gear weighing 12 grams, this saves approximately 8–10 grams of material per part. At scale (1 million pieces), material savings alone exceed $30,000–50,000.
  • Cycle Time per Part: Machining a double pinion gear requires multiple operations: turning, hobbing (2 pinions separately or with specialized tooling), deburring, and possibly shaping for the second pinion. Total cycle time: 45–90 seconds per gear. PM compaction (one stroke) + sintering: approximately 6–8 seconds per gear (excluding heat treatment). This 7–10x reduction in cycle time directly lowers labor and machine overhead.
  • Secondary Operations Reduction: Machined steel gears always require deburring and often require grinding for consistent tooth finish. PM gears emerge with a clean, consistent surface; only high-precision cases need sizing (a quick coining step). Jiande Welfine Technology Co., Ltd. typically eliminates 3–4 secondary operations compared to machined steel.
  • Total Cost per Part (500,000 pieces/year): Machined steel M0.8 double pinion gear: $0.65–0.90. PM equivalent (including sintering and optional steam treatment): $0.28–0.45. This represents a 40–55% reduction in piece-part cost.

2. Quantified Advantage in Tooth Consistency (Geometric Repeatability)

  • Tooth-to-Tooth Spacing Variation (fi): Machined steel gears (hobbed) typical variation: ±0.015–0.025 mm. PM precision-compacted gears (as-sintered): ±0.008–0.012 mm. PM achieves 30–40% better consistency from part to part without skilled tool adjustments.
  • Pitch Circle Runout (Fr): Machined steel: 0.025–0.045 mm (depending on blank and fixturing). PM: 0.015–0.025 mm as-sintered; after optional sizing, down to 0.008–0.012 mm. This consistency translates directly to lower transmission error and reduced gear whine in assembled products.
  • Process Capability Index (Cpk) for Key Dimension (e.g., gear OD): Machined steel typical Cpk = 0.9–1.1 (requires frequent tool changes and inspections). PM compaction (using precision carbide dies) achieves Cpk = 1.3–1.6 over 50,000+ cycles. Jiande Welfine Technology Co., Ltd. uses CNC compaction presses with real-time density monitoring to maintain this high capability.
  • Batch-to-Batch Variation: Machined steel depends on operator skill and tool wear; variation coefficient (COV) 3–5%. PM process is tool-bound; first piece and millionth piece are nearly identical. COV 1–2%.

3. Parameter Comparison Table: Powder Metallurgy vs. Machined Steel – M0.8 Double Pinion Gear

Parameter Machined Steel (Hobbed + Shaped) Powder Metallurgy (PM – as-sintered)
Material utilization (%) 45–60% (40–55% waste as chips) >97% (near-net shape)
Cycle time per gear (seconds) 45–90 (multiple setups) 6–8 (compaction + sintering)
Piece-part cost (500k pcs/yr, USD) 0.65–0.90 0.28–0.45 (40–55% lower)
Tooth spacing variation (±mm) 0.015–0.025 0.008–0.012 (30–40% better)
Pitch runout (mm, typical) 0.025–0.045 0.015–0.025 (as-sintered)
Process Cpk (OD critical dimension) 0.9–1.1 (requires frequent tool changes) 1.3–1.6 (stable over long runs)
Secondary operations required Deburr + clean + (sometimes grinding) None or single sizing step

For a high-volume, cost-sensitive application demanding consistent M0.8 tooth geometry, Jiande Welfine Technology Co., Ltd. recommends PM. Explore our dedicated powder metallurgy double pinion gear M0.8 series for proven performance.

4. Implementation by Jiande Welfine Technology Co., Ltd.

  • Tooling & Compaction: Multi-action CNC presses with precision carbide dies designed specifically for double pinion geometry, ensuring uniform density across both gear sections.
  • Sintering: Controlled atmosphere mesh-belt furnaces (±5°C uniformity) to minimize distortion and maintain consistent shrinkage.
  • Quality Assurance: 100% gear roll testing for runout; statistical process control (SPC) on tooth thickness and bore diameter; Cpk reporting per batch.
  • Post-Processing Options: Steam treatment for corrosion resistance and slight surface hardening; optional sizing for ISO 7-grade accuracy.

5. Frequently Asked Questions (FAQ)

FAQ 1: Can Jiande Welfine Technology Co., Ltd. achieve the same tooth strength for an M0.8 double pinion gear as machined steel at the lower PM cost?

Answer: For many applications (office automation, small actuators, automotive seat adjusters), the bending fatigue strength of PM (300–400 MPa after heat treatment) is fully sufficient. Jiande Welfine Technology Co., Ltd. uses high-density compaction (≥7.0 g/cm³) and alloy systems (Fe-Cu-C or Fe-Ni-Mo-C) to maximize tooth root strength. If your application requires very high torque (e.g., power tools), the company can perform a joint engineering review. In most cases, PM provides adequate strength at 40–55% lower cost.

FAQ 2: How does Jiande Welfine Technology Co., Ltd. ensure the two pinions on the same part are consistently aligned (phasing) in PM?

Answer: The double pinion gear is compacted in a single die cavity using a multi-level punch system. Precision tooling from Jiande Welfine Technology Co., Ltd. maintains angular orientation between the upper and lower gear sections within ±0.5° as-standard, and ±0.2° on request. Post-sintering, a simple sizing operation can correct any minor misalignment. This is far more consistent than machining two separate pinions and assembling them.

FAQ 3: What is the minimum order quantity (MOQ) to realize the cost advantage of PM over machined steel for an M0.8 double pinion gear with Jiande Welfine Technology Co., Ltd.?

Answer: The PM process requires tooling investment (die set, punches). Jiande Welfine Technology Co., Ltd. typically recommends PM for annual quantities above 20,000–30,000 pieces. Below that, machined steel may be more economical. For volumes of 50,000+ pieces per year, the cost advantage becomes very significant (40–55% lower piece price). The company offers tooling amortization options and can provide a free cost comparison based on your drawing and volume forecast.

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