Qingdao Sande Technology Co., LTD
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Precision Stainless Steel Pulleys - OEM Custom Belt & Chain Pulleys
Our precision stainless steel pulleys are engineered for demanding applications that require exceptional durability and reliable performance. We specialize in OEM customization, offering both belt pulleys and chain pulleys tailored to your exact specifications. Ideal for food processing, automation, and conveyor systems, our components are machined to tight tolerances from corrosion-resistant stainless steel to ensure smooth operation and a long service life in harsh environments.
Precision Engineering: Manufactured to tight tolerances for smooth, efficient, and vibration-free power transmission.
Superior Material: Made from high-grade stainless steel (304/316) for excellent corrosion resistance and durability.
OEM Customization: Fully customizable as belt pulleys or chain pulleys to your unique design, dimensions, and finish requirements.
Proven Performance: Designed for longevity and reliability in industries like automation, packaging, and material handling.
| Category | Parameter | Details / Specifications |
|---|---|---|
| Basic Information | Product Type | Precision Pulley (Belt Pulley & Chain Pulley / Sprocket) |
| Core Model | Custom OEM & Made-to-Order | |
| Primary Applications | Automation, Food Processing, Conveyor Systems, Packaging, Automotive, Agricultural Machinery | |
| Material & Finish | Material Grade | Stainless Steel 304, 316, 420, or as specified |
| Surface Finish | Passivated (Standard), Polished (Mirror / Satin), Sandblasted | |
| Key Properties | Excellent Corrosion Resistance, High Strength, Durability, Hygienic Surface | |
| Key Dimensions (& Customization Focus) | Outer Diameter (OD) | Custom, from 20mm to 500mm+ |
| Bore Type | Round (Standard), Keyway (Square or Woodruff), Setscrew, Spline, Taper-Lock Bushings | |
| Bore Diameter & Tolerance | Custom, standard tolerance H7 or as specified | |
| Belt Groove Profiles | V-Belt (A, B, C), Timing Belt (GT2, T5, T10, AT5, AT10), Poly-V (J, L, M) | |
| Chain Types (Sprockets) | ANSI Standard (e.g., #25, #35, #40, #41), Roller Chain, British Standard | |
| Face Width / Thickness | Customized to application requirements | |
| Performance & Precision | Manufacturing Tolerance | Diameter: ±0.1mm (Standard), Tighter tolerances available |
| Balance Grade | Standard Balance, Precision Balanced (G6.3, G2.5 upon request) | |
| Load Capacity | Designed to meet your specific dynamic and static load requirements | |
| OEM Customization | Custom Options | Fully Customizable: All dimensions, bore type, groove profile, number of grooves, hub design, special coatings, brand laser marking. |
| Prototype & Support | Supported. Provide 2D drawings (PDF/DWG) or 3D models (STEP, IGES) for quotation. |
Q1: What is your core capability as a supplier?
A: We are a specialist OEM manufacturer focused on custom precision pulleys. Our core capability is to work from your drawings or specifications to design and manufacture stainless steel belt pulleys and chain pulleys (sprockets) that perfectly fit your unique application, rather than only offering standard off-the-shelf parts.
Q2: What information do you need to provide a quote for a custom pulley?
A: To ensure an accurate quote and design, please provide:
Technical Drawings: 2D (PDF/DWG) or 3D models (STEP, IGES) are essential.
Key Dimensions: Outer Diameter, Bore size & tolerance, Face Width, etc.
Type & Profile: Specify if it's a belt pulley (e.g., T5 timing, B-section V-belt) or chain sprocket (e.g., ANSI #40).
Material Grade: e.g., SS304, SS316, or other.
Quantity & Surface Finish: Your expected annual volume and desired finish (e.g., passivated, polished).
Q3: Why choose stainless steel over other materials for a pulley?
A: Stainless steel is the superior choice for applications requiring:
Corrosion Resistance: Essential for washdown environments (food, pharmaceutical), outdoor use, or exposure to chemicals.
Hygiene: Its non-porous surface is easy to clean and sterilize.
Strength & Durability: Offers an excellent strength-to-weight ratio and maintains integrity under load without the need for protective coatings that can wear off.
Long-Term Value: While the initial cost may be higher, its longevity and reduced maintenance lead to a lower total cost of ownership.
Q4: What level of precision can I expect?
A: "Precision" is at the core of our offering. We guarantee:
Tight Tolerances: Standard bore tolerances of H7 are standard, with tighter tolerances available.
Superior Balancing: Our pulleys undergo dynamic balancing (to grades like G6.3 or G2.5) to minimize vibration and noise at high speeds, protecting your bearings and belts.
Accurate Profiles: Grooves and teeth are machined precisely to ensure optimal belt/chain engagement and efficient power transmission.
Q5: What is the difference in application between a belt pulley and a chain pulley (sprocket)?
A: The choice depends on your power transmission needs:
Belt Pulleys: Used with V-belts, timing belts, or poly-V belts. They generally offer smoother, quieter operation and can tolerate some misalignment. Ideal for high-speed applications.
Chain Pulleys (Sprockets): Engage with a roller chain. They provide positive, non-slip drive and are best for high-torque, heavy-load applications where maintaining precise synchronization is critical.
Q6: What is your typical lead time for custom orders?
A: Lead time varies based on order complexity and quantity.
Prototypes: Typically 3-4 weeks.
Production Runs: Generally 6-8 weeks after final design approval.
We prioritize clear communication and will provide a firm lead time with your order confirmation.
Q7: Do you provide any certifications for your products?
A: Yes. We can provide Material Test Certificates (MTC) for traceability. Our manufacturing quality system is certified to ISO 9001:2015, ensuring consistent and reliable processes for every order.