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Taper Lock Pulleys SPZ-8

We provide a full range of European standard V-belt pulleys (SPZ, spa, SPB, SPC). They are made of high-grade gg25 cast iron, with a high surface finish and high assembly precision.

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Main Features of Taper Lock Pulleys

V-belt Pulley
• All challenge pulleys are made of cast iron or steel and Phosphated to provide protection
• V, multi-groove, and PV pulleys are balanced to q6.3 or better, allowing them to run at peripheral (RIM) speeds up to 40 meters per second
• Can accommodate wedge and classic belts.
• Dual load design according to ISO 4183.
• Made of gg25 high-grade cast iron.
• Can be used for tapered holes. Pilot and QD bushing holes can be produced as required.
• It can produce a variety of non-standard styles and sizes, with diameters up to 2400 mm.Taper Lock Pulleys
We provide a full range of European standard V-belt pulleys (SPZ, spa, SPB, SPC). They are made of high-grade gg25 cast iron, with a high surface finish and high assembly precision.

European standard V-belt pulleys for taper bushings: SPZ, SPA, SPB, SPC; up to 10 grooves
Adjustable speed V-belt pulleys and variable speed pulleys
Flat belt pulleys and conveyor belt pulleys
American standard Sheaves for taper bushings: 3V, 5V, 8V
Sheaves for QD bushings: 3V, 5V, 8V
Sheaves for split taper bushings: 3V, 5V, 8V
Sheaves for 3L, 4L or A, and 5L or B belts:
Adjustable sheaves: poly V-pulley, multi-pitch H, L, J, K, and M
Bore type pilot bore, finished bore, taper bore, bore for QD bushing
Surface finish paint, phosphating, zinc plated
Material cast iron, ductile iron, nylon, aluminum

Taper Lock Pulleys

In order to supplement our wide range of belts, we also manufacture and supply a series of standard and customized pulleys for our V-belts and timing belts. Our pulley groove is made of cast iron or steel, which is cut by machine, with high precision, static or dynamic balance (depending on its size) reaching q6.3 level or higher, and circumferential (RIM) speed up to 40m / s.
All pulleys provided by HZPT are made of high-quality dense grain gg25 gray cast iron or steel, and then phosphate. Metric timing pulleys are also available from lightweight aluminum alloys with natural surfaces.
Shaft fixing options vary according to size and the wide range of available materials, but as a standard, the range of pulleys includes taper holes, guide holes, or two types of holes.

V-belt pulley

Taper Lock Pulleys
In the past 40 years, these cost-effective and readily available pulleys have proved themselves countless times with high-quality processing grooves and availability from nearly 20 official locations around the world. Coupled with our extensive shaft-mounted reducers, they provide a reliable way to reduce the speed of the motor, which has become an industry standard.
Suitable for wedge and classic belts according to ISO 4184. The groove size conforms to the eccentricity of the outer diameter to the hole and the groove side swing tolerance of ISO 4183.
Although pilot and QD bushing hole pulleys can also be manufactured, all pulleys are equipped with taper holes to meet the challenges of inventory taper bushings.
It can produce various non-standard styles and sizes with a diameter of 2400mm.
PV pulley can also be used for sections J, K, and L

Timing pulley

Taper Lock Pulleys

We are engaged in precision applications all over the world. Our series of timing belts and corresponding pulleys are developed around the industry we supply every day. With our ability to manufacture special pulleys or provide lightweight solutions for aluminum alloys, we can provide solutions for a large number of precision drive systems.
Timing pulleys are available for standard classic, HTD profile, and metric belts. Traditional L and H pulleys, like 5m, 8m, and 14m HTD profile pulleys, have tapered holes. All other sizes are available in the pilot hole, including a full set of metric timing pulleys. If you need taper holes for metric or large classic pulleys, they can usually be made to order.


V Taper Lock pulleys SPZ-8 china Manufacturer

Pulley production process

A V-pulley manufacturing process includes the following steps:
Forming a pulley: integrally forming a cylindrical pulley blank;
machining V-belt grooves: cutting the external surface of the pulley blank to form a plurality of V-belt grooves matching a V belt;
Fine machining: cutting the external surface of the pulley blank and the side surfaces of the belt grooves, and cutting off a machining allowance;
Shot blasting: placing the pulley in a shot blasting machine to form a rough shot blasting layer on the side surfaces of the V-belt grooves. The pulley manufactured through the above process has a high friction coefficient of the side surfaces of the belt grooves and therefore has the advantage of preventing slippage and having high transmission efficiency.

Taper Lock Pulleys

Our services

Taper Lock Pulleys Taper Lock Pulleys
Taper Lock Pulleys Taper Lock Pulleys

1) Competitive price and good quality
2) For transmission system.
3) Excellent performance and long service life
4) It can be developed according to your drawings or data sheets
5) Packaging: according to the customer's requirements or our routine packaging
6) Brand name: according to the requirements of each customer.
7) Flexible minimum order quantity
8) Samples available
Main products:
1) Timing belt pulley (synchronous belt pulley), timing rod, and splint;
2) Forging, casting, stamping parts;
3) V pulley and conical locking bushing; Sprocket, idler, and plate wheel; Spur gear, bevel gear, and rack;
4) Shaft locking device: it can replace ringleader, sati, Chiaravalle, Pollok, etc.;
5) Coupling: including micro coupling, curved tooth coupling, chain coupling, HRC coupling, norms coupling, type coupling, Ge coupling, torque limiter, universal joint;
6) Collar: including fixed screw type, single split, and double split;

Products Catalog

industries we service

We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.

Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

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Surface Treatment

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.product materials available

Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly

product finishing


product packages


Q: Are you trading company or manufacturer ?
A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shipment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.

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