Description
Technical Specifications — ISO 03B-1 Simplex Sprocket
| المعلمة | Value | Chain Standard | Unit |
|---|---|---|---|
| Pitch | 5.000 | DIN 8187 / ISO 606 | mm |
| Roller Diameter Φ | 3.2 | Chain 03B | mm |
| Radius Width C | 0.6 | — | mm |
| Tooth Width B₁ | 2.3 | — | mm |
| Teeth Range (Z) | 8 – 125 | Simplex | — |
| Outer Dia. (Z=8) | 15.2 de / 13.06 dp | — | mm |
| Outer Dia. (Z=125) | 201.1 de / 198.96 dp | — | mm |
| Hub Width (W, Z≥80) | 30 | — | mm |
| مادة | C45 Carbon Steel | — | — |
| Surface Treatment | Black Oxidising / Zinc Plated | — | — |
| Hardness | HRC 50–60 (tooth) | Induction Hardened | — |
| Tolerance | DIN 8190 Grade 6 | — | — |
Key Features & Advantages
Compatibility & Selection Guide
Compatible with DIN 8187 03B-1 roller chain (pitch 5.000 mm, inner width 3.18 mm, roller Φ 3.2 mm). Bore range: standard hub or custom finished bore upon request. Suitable shaft diameters: typically 6–25 mm depending on tooth count and hub style.
Selection by load: Use simplex (03B-1) for light duty; upgrade to duplex (03B-2) when torque exceeds single-strand capacity. Selection by speed: For high-speed drives (>2000 rpm) prefer Z≥17 to reduce chordal action. Contact our engineers for free selection support.
Material & Manufacturing
Material: 1045 carbon steel (C45). Heat treatment: Tooth-profile induction hardening — case depth 1.5–3 mm, HRC 50–60 surface. Core remains tough (HRC 28–35) to absorb shock loads. Surface finish: Black oxidising (standard), zinc plating or geomet coating (corrosion-resistant option). Dimensional deformation: ≤0.05 mm post-heat-treatment, maintained by CNC straightening fixture.
Application Scenarios
Customer Reviews
FAQ
Installation Guide
- Inspect shaft and bore for burrs; clean and de-grease contact surfaces.
- Slide sprocket onto shaft and align with the mating sprocket using a straightedge across the tooth faces — misalignment should be less than 1 mm per 300 mm of centre distance.
- Secure with keyway and set screw or taper bush per the torque specification (refer to hub marking).
- Install 03B-1 roller chain and adjust tension: sag on the slack strand should be approximately 2% of the centre distance.
- Verify chain engages smoothly at slow speed before full-load operation.
Maintenance
Lubrication: Apply chain lubricant every 200 operating hours or monthly (whichever is sooner) for standard environments. Food-grade NSF H1 lubricant recommended for food applications. Wear inspection: Replace sprocket when tooth-flank wear exceeds 0.3 mm or when the chain skips under normal load. Chain elongation: Replace chain when elongation exceeds 2% of nominal pitch length — worn chain accelerates sprocket wear dramatically.
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We are a vertically integrated manufacturer with over 25 years of chain drive experience. Our facility spans 35,000 m² and produces over 4 million sprockets per year. We supply OEM partners, distributors, and direct industrial buyers across Australia, with products meeting GB, ISO, ANSI, JIS, DIN and BS standards.
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