ISO 03B-1 Sprocket

Cái ISO 03B-1 sprocket (5×2.5 mm pitch, DIN 8187) is engineered for light-duty precision drives in instrumentation, office automation, and small conveyor systems. Manufactured from C45 carbon steel with induction-hardened teeth (HRC 50–60), it delivers exceptional wear resistance and dimensional accuracy across all standard tooth counts from Z=8 to Z=125, solving premature-wear problems in high-cycle, low-torque applications.

Sự miêu tả

ISO 03B-1 Sprocket

Technical Specifications — ISO 03B-1 Simplex Sprocket

Tham số Giá trị Chain Standard Unit
Sân bóng đá 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
Vật liệu C45 Carbon Steel
Surface Treatment Black Oxidising / Zinc Plated
Hardness HRC 50–60 (tooth) Induction Hardened
Tolerance DIN 8190 Grade 6

Key Features & Advantages

⚙️
Precision Hobbed Teeth
CNC gear-hobbing delivers DIN Grade 6 accuracy, guaranteeing smooth meshing at all speeds and reducing noise in sensitive equipment.
Induction-Hardened Tooth Profile
High-frequency induction hardening achieves HRC 50–60 surface hardness with deformation ≤0.05 mm, tripling service life compared to untreated alternatives.
Full Simplex & Duplex Range
Stocked in Z=8 to Z=125 simplex, with duplex (03B-2) variants available for higher-load configurations in the same compact envelope.
Multi-Standard Compliance
Conforms to ISO 606, DIN 8187, and BS/JIS equivalent standards, ensuring seamless retrofits on European-designed machinery operating in Australia.

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

Vật liệu: 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

Xử lý vật liệu

Xử lý vật liệu
Light conveyor drives, sorting systems, packaging lines
Food Equipment

Food Equipment
Small-pitch drives on filling, labelling and portioning machines
Máy đóng gói

Máy đóng gói
High-cycle indexing drives requiring quiet, accurate motion
Agricultural Equipment

Agricultural Equipment
Seed counters, irrigation controllers, small feeder drives

Đánh giá của khách hàng

David R.  ★★★★★   Australia
“Ordered 200 pieces of ISO 03B-1 for our conveyor retrofit. Perfect dimensional match to our existing chain, zero fitting issues. Delivery to Melbourne in 9 days.”
ISO 03B-1 Sprocket Z=19 · March 2025
Hans K.  ★★★★★   Germany
“Tooth hardness is exactly as specified. We tested HRC 54 on average — consistent across the batch. Will be a regular supplier.”
ISO 03B-1 Sprocket Z=25 · January 2025
Kenji T.  ★★★★☆   Japan
“Good product for the price. Delivery was prompt and packaging was solid. Minor surface cosmetic marks but functional quality is fine.”
ISO 03B-1 Sprocket Z=15 · November 2024
Marco L.  ★★★★★   Italy
“We use these on our automated assembly lines — 03B-1 sprockets from this supplier outperform the OEM parts we previously used. Excellent wear life.”
ISO 03B-1 Sprocket Z=22 · February 2025

Câu hỏi thường gặp

►  What chain does the ISO 03B-1 sprocket use?
The ISO 03B-1 sprocket mates with DIN 8187 03B-1 roller chain: pitch 5.000 mm, inner width 3.18 mm, roller diameter 3.2 mm. It is also interchangeable with chains marked to ISO/BS 606 03B.
►  Are simplex and duplex 03B sprockets interchangeable?
No. Simplex (03B-1) and duplex (03B-2) sprockets differ in hub width and chain-path geometry. You must match the sprocket type to the chain strand count.
►  What bore sizes are available?
We supply ISO 03B-1 in plain bore (finished to drawing) or stock bore. Custom bores with keyway are available with 5–7 day lead time.
►  Can these be supplied in stainless steel?
Yes. We offer SS304 stainless versions for corrosive or food-contact environments. Lead time is typically 2–3 weeks for stainless special orders.
►  What is the minimum order quantity?
MOQ is 10 pieces for standard sizes. For custom bore or non-standard tooth counts, MOQ is typically 50 pieces. Contact us for exact pricing.

Installation Guide

  1. Inspect shaft and bore for burrs; clean and de-grease contact surfaces.
  2. 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.
  3. Secure with keyway and set screw or taper bush per the torque specification (refer to hub marking).
  4. Install 03B-1 roller chain and adjust tension: sag on the slack strand should be approximately 2% of the centre distance.
  5. 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.

Standards & Certifications

✓ ISO 9001:2015✓ ANSI B29.1✓ ISO/DIN 8187✓ Tiêu chuẩn JIS B 1801✓ Tiêu chuẩn BS/DIN✓ Tiêu chuẩn GB
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