Product Description
European Standard SPA CHINAMFG SPC SPZ Cast Iron Taper V Belt Pulley With Taper Bush
We can supply SPZ SPA CHINAMFG SPC V Belt Pulley with Taper Bush,V pulley, v belt pulley, v groove pulley, v groove belt pulley, taper lock pulley, taper lock v belt pulley, taper lock bushing pulley, taper lock pulleys / taper bore pulley, large v belt pulley, double v belt pulley, cast iron v belt pulley belt pulley, variable speed v belt pulleys, v belt pulley split pulley, cast iron v belt pulley
V belt pulley specifications:
1) European standard:
A) V-belt pulleys for taper bushings: SPZ, SPA, SPB, SPC; Up to 10 grooves
B) Adjustable speed V-belt pulleys and variable speed pulleys
C) Flat belt pulleys and conveyor belt pulleys
2) American standard:
A) Sheaves for taper bushings: 3V, 5V, 8V
B) Sheaves for QD bushings: 3V, 5V, 8V
C) Sheaves for split taper bushings: 3V, 5V, 8V
D) Sheaves for 3L, 4L or A, and 5L or B belts: AK, AKH, 2AK, 2AKH, BK, BKH, 2BK, 2BKH, 3BK
E) Adjustable sheaves: Poly V-pulley, multi-pitch H, L, J, K and M
3) Bore: Pilot bore, finished bore, taper bore, bore for QD bushing
4) Surface finish: Paint, phosphating, zinc plated
5) Material: Cast iron, ductile iron, nylon, aluminum
6) Made according to drawings and/or samples, OEM inquiries welcomed
Description |
P |
O |
Grooves |
N |
L |
D |
B |
Type |
d |
SPA40 | 40 |
45.5 |
1 |
40 |
35 |
|
20 |
1 |
10 |
SPA50 |
50 |
55.5 |
1 2 |
40 40 |
35 45 |
|
20 35 |
1 1 |
10 10 |
SPA60 |
60 |
65.5 |
1 2 3 |
40 40 |
35 45 |
|
20 35 50 |
1 1 7 |
10 10 10 |
SPA71 |
71 |
76.5 |
1 2 3 |
40 50 52 |
40 45 52 |
|
20 35 50 |
1 1 1 |
10 10 10 |
SPA75 |
75 |
80.5 |
1 2 3 4 5 |
40 50 |
40 45 |
|
20 35 50 65 80 |
1 1 7 7 7
|
10 10 10 10 10 |
SPA80 |
80 |
85.5 |
1 2 3 4 5 |
45 50 |
40 45 |
|
20 35 50 65 80 |
1 1 7 7 7 |
10 10 15 15 15 |
SPA85 |
85 |
90.5 |
1 2 3 4 5 |
45 50 |
40 45 |
|
20 35 50 65 80 |
1 1 7 7 7 |
10 10 15 15 15 |
SPA90 |
90 |
95.5 |
1 2 3 4 5 |
45 60 |
40 45 |
|
20 35 50 65 80 |
1 1 7 7 7 |
10 15 15 15 15 |
SPA95 |
95 |
100.5 |
1 2 3 4 5 |
45 60 |
40 45 |
|
20 35 50 65 80 |
1 1 7 7 7 |
10 15 15 15 15 |
SPA100 |
100 |
105.5 |
1 2 3 4 5 |
48 60 |
40 45
52 52 |
67 67 |
20 35 50 65 80
|
1 1 7 7 7 |
10 15 15 15 15 |
SPA106 |
106 |
111.5 |
1 2 |
48 60 |
40 45 |
|
20 35 |
1 1 |
10 15 |
SPA112 |
112 |
117.5 |
1 2 3 4 5 |
48 60 |
40 45
52 52 |
79 79 |
20 35 60 65 80 |
1 1 7 2 2 |
10 15 15 15 15 |
SPA118 |
118 |
123.5 |
1 2 3 4 5 |
60 60 |
40 45
52 52 |
87 87 |
20 35 50 65 80 |
1 1 7 2 2 |
15 15 15 15 15 |
Description |
P |
O |
Grooves |
N |
L |
D |
B |
Type |
d |
SPB70 |
70 |
77 |
1 2 |
45 45 |
45 48 |
|
25 44 |
1 1 |
10 10 |
SPB80 |
80 |
87 |
1 2 3 4 5 |
50 50 |
45 48 |
|
25 44 63 82 101 |
1 1 7 7 7 |
10 10 15 15 15 |
SPB90 |
90 |
97 |
1 2 3 4 5 |
50 50 |
45 49 |
|
25 44 63 82 101 |
1 1 7 7 7 |
10 10 15 15 15 |
SPB100 |
100 |
107 |
1 2 3 4 5 |
52 55 |
45 55 |
|
25 44 63 82 101 |
1 1 7 7 7 |
10 15 15 15 15 |
SPB112 |
112 |
119 |
1 2 3 4 5 |
55 60 |
45 55 |
|
25 44 63 82 101 |
1 1 7 7 7 |
15 15 15 20 20 |
SPB120 |
120 |
127 |
1 2 3 4 5 6 |
55 60 |
45 55 |
|
25 44 63 82 101 120 |
1 1 7 7 7 7 |
15 15 15 20 20 20 |
SPB125 |
125 |
132 |
1 2 3 4 5 6 |
58 60 |
45 55 60 60 60 60 |
83 83 83 83 |
25 44 63 82 101 120 |
1 1 2 2 2 2 |
15 15 15 20 20 20 |
SPB132 |
132 |
139 |
1 2 3 4 5 6 |
60 60 |
45 55 60 60 60 60 |
88 88 88 88 |
25 44 63 82 101 120 |
1 1 2 2 2 2 |
15 15 15 20 20 20 |
SPB140 |
140 |
147 |
1 2 3 4 5 6 |
65 65 |
45 55 60 60 60 60 |
98 98 98 98 |
25 44 63 82 101 120 |
1 1 2 2 2 2 |
20 20 20 20 20 20 |
SPB150 |
150 |
157 |
1 2 3 4 5 6 |
65 65 |
45 55 60 60 60 60 |
108 108 108 108 |
25 44 63 82 101 120 |
1 1 2 2 2 2 |
20 20 20 20 20 20 |
Description |
P |
O |
Grooves |
N |
L |
D |
B |
Type |
d |
SPC100 |
100 |
109.6 |
1 |
60 |
50 |
|
34 |
1 |
15 |
SPC120 |
120 |
129.6 |
1 2 |
65 |
50 |
|
34 59.5 |
1 7 |
15 15 |
SPC140 |
140 |
149.6 |
1 2 3 4 |
70 |
50
65 80 |
83 83 |
34 59.5 85 110.5 |
1 7 2 2 |
20 20 20 20 |
SPC150 |
150 |
159.6 |
1 2 3 4 5 |
70
|
50
65 80 96 |
93 93 93 |
34 59.6 85 110.5 136 |
1 7 2 2 2 |
20 20 20 20 20 |
SPC160 |
160 |
169.6 |
1 2 3 4 5 6 |
72 |
50
65 80 96 96 |
103 103 103 103 |
34 59.5 85 110.5 136 161.5 |
1 7 2 2 2 2 |
20 20 20 20 20 20 |
SPC180 |
180 |
189.6 |
1 2 3 4 5 6 |
76 80 82 82 82 82 |
50 60 65 80 96 96 |
123 123 123 123 123 123 |
34 59.5 85 110.5 136 161.5 |
3 8 4 4 4 4 |
20 20 20 20 20 20 |
SPC200 |
200 |
209.6 |
1 2 3 4 5 6 |
76 80 86 90 90 90 |
50 60 65 90 100 100 |
143 143 143 143 143 143 |
34 59.5 85 110.5 136 161.5 |
3 3 4 4 4 4 |
20 20 20 20 25 25 |
SPC225 |
225 |
234.6 |
1 2 3 4 5 6 |
86 88 90 90 90 90 |
50 60 70 90 100 100 |
168 168 168 168 168 168 |
34 59.5 85 110.5 136 161.5 |
3 3 4 4 4 4 |
20 20 20 25 25 25 |
SPC250 |
250 |
259.6 |
1 2 3 4 5 6 |
86 92 92 100 102 102 |
50 60 70 90 100 100 |
193 193 193 193 193 193 |
34 59.5 85 110.5 136 161.5 |
3 3 4 4 4 4 |
20 20 20 25 25 25 |
SPC280 |
280 |
289.6 |
1 2 3 4 5 6 |
86 92 92 100 102 102 |
50 60 70 90 100 100 |
223 223 223 223 223 223 |
34 59.5 85 110.5 136 161.5 |
3 3 4 4 4 4 |
20 20 20 25 25 25 |
SPC300 |
300 |
309.6 |
1 2 3 4 5 6 |
86 92 92 100 104 104 |
50 60 70 90 100 100 |
243 243 243 243 243 243 |
34 59.5 85 110.5 136 161.5 |
3 3 4 4 4 4 |
20 20 20 25 25 25 |
HangZhou CHINAMFG Industry Co., Ltd. is a specialized supplier of a full range of chains, sprockets, gears, gear racks, v belt pulley, timing pulley, V-belts, couplings, machined parts and so on.
Due to our CHINAMFG in offering best service to our clients, understanding of your needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets.Our products are manufactured by modern computerized machinery and equipment. Meanwhile, our products are manufactured according to high quality standards, and complying with the international advanced standard criteria.
With many years’ experience in this line, we will be trusted by our advantages in competitive price, one-time delivery, prompt response, on-hand engineering support and good after-sales services.
Additionally, all our production procedures are in compliance with ISO9001 standards. We also can design and make non-standard products to meet customers’ special requirements. Quality and credit are the bases that make a corporation alive. We will provide best services and high quality products with all sincerity. If you need any information or samples, please contact us and you will have our soon reply.
Certification: | CE |
---|---|
Pulley Sizes: | SPA Spb Spc Spz |
Manufacturing Process: | Casting |
Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How do pulleys affect the performance of fitness equipment?
Pulleys have a significant impact on the performance of fitness equipment by enabling the smooth and efficient operation of various exercise machines. Here’s how pulleys affect the performance of fitness equipment:
1. Resistance Adjustment: Pulleys are often used in fitness equipment to provide adjustable resistance. By incorporating different-sized pulleys or using pulley systems with varying mechanical advantage, the resistance level can be adjusted to meet the user’s desired intensity. This allows individuals to customize their workouts and progress in their fitness journey.
2. Cable Systems: Many fitness machines, such as cable machines and functional trainers, utilize pulleys in their cable systems. These pulleys guide the cables and allow for multi-directional movements, providing a wide range of exercise options. The smooth movement facilitated by pulleys enhances user comfort and ensures consistent resistance throughout the exercise motion.
3. Weight Stacks: Weight stack machines commonly found in gyms employ pulleys to create resistance. The weight stack is connected to the exercise handles or levers through a cable and a series of pulleys. As the user performs the exercise, the pulleys help distribute the load and maintain proper cable tension, resulting in smooth and controlled movements.
4. Functional Training: Pulleys play a crucial role in functional training equipment, such as suspension trainers or resistance bands. These systems often feature adjustable pulleys that allow users to target specific muscle groups and perform a wide variety of functional movements. The pulleys enable smooth and controlled resistance, enhancing overall workout effectiveness.
5. Mechanical Advantage: Pulley systems can provide mechanical advantage in fitness equipment, making exercises more manageable and accessible. By utilizing pulleys with appropriate mechanical advantage, individuals can perform exercises that would otherwise require greater strength or effort. This feature is particularly beneficial for users with varying fitness levels or those recovering from injuries.
6. Smooth and Controlled Motion: Pulleys contribute to the smooth and controlled motion of fitness equipment. By reducing friction and providing proper cable alignment, pulleys ensure that the resistance is applied evenly throughout the exercise range of motion. This promotes fluid and natural movements, minimizing the risk of injury and maximizing the effectiveness of the exercise.
7. Durability and Safety: High-quality pulleys used in fitness equipment are designed to withstand the rigors of constant use and heavy loads. They are often made from durable materials and incorporate features such as sealed bearings to minimize maintenance and maximize safety. Reliable pulley systems contribute to the longevity and safety of fitness equipment.
Overall, pulleys are essential components in fitness equipment, influencing resistance adjustment, cable systems, weight stacks, functional training, mechanical advantage, motion quality, and equipment durability. They enhance the effectiveness, versatility, and user experience of fitness machines, allowing individuals to achieve their fitness goals and maintain an active and healthy lifestyle.
How are pulleys used in theater and stage rigging?
Pulleys play a vital role in theater and stage rigging, enabling the movement of scenery, props, and equipment with precision and control. They are essential components of the rigging systems used in theaters and stages for lifting, flying, and manipulating various elements during performances. Here’s how pulleys are commonly used in theater and stage rigging:
1. Fly Systems: Fly systems are used to raise and lower scenery, backdrops, curtains, and other elements onto and off the stage. They consist of a series of pulleys, known as blocks, mounted on battens or grids. The pulleys allow the use of counterweights or motorized systems to control the movement of the loads. By changing the configuration of the pulleys and adjusting the counterweights, stage crews can achieve smooth and precise vertical movement of the flown elements.
2. Counterweight Systems: Counterweight systems, commonly employed in fly systems, utilize pulleys to guide the lift lines and distribute the load. The pulleys help reduce friction and ensure that the counterweights move smoothly and efficiently. By adjusting the number and arrangement of pulleys, as well as the counterweight amounts, technicians can achieve the desired balance and control the speed and movement of the flown elements.
3. Line Sets: Line sets are used to suspend and control various elements such as lighting fixtures, speakers, and special effects equipment. Pulleys are incorporated into the line sets to redirect the lines and provide mechanical advantage. This allows technicians to easily raise, lower, and adjust the position of the equipment as needed. By manipulating the pulley system, stage crews can precisely position the equipment and achieve optimal lighting, sound, and visual effects during performances.
4. Automated Systems: In modern theater and stage rigging, automated systems are becoming increasingly prevalent. These systems use motorized pulleys, known as winches or hoists, to control the movement of scenery, lighting, and other elements. The motorized pulleys enable precise and programmable control, allowing for complex and dynamic stage effects. These systems often incorporate multiple pulleys and computerized controls for enhanced automation and synchronization.
5. Rope and Cable Management: Pulleys are also used in theater and stage rigging to manage ropes and cables. They are incorporated into rope locks, cable management systems, and tensioning devices to guide and redirect the lines, ensuring smooth operation and minimizing the risk of entanglement or snags.
6. Safety and Load Distribution: Pulleys in theater and stage rigging play a crucial role in ensuring safety and proper load distribution. They help distribute the load across multiple lines, reducing the strain on individual ropes or cables. Additionally, pulleys are often equipped with safety mechanisms such as locking devices or secondary braking systems to prevent accidental drops or equipment failures.
Overall, pulleys are integral to theater and stage rigging, providing the mechanical advantage, control, and safety measures necessary for the smooth and precise movement of scenery, props, and equipment. They enable the creation of visually stunning and immersive performances, enhancing the overall theatrical experience for audiences.
How does a fixed pulley differ from a movable pulley?
A fixed pulley and a movable pulley are two distinct types of pulleys that differ in their design and functionality. Here’s a detailed explanation of their differences:
1. Design and Attachment: A fixed pulley is attached to a stationary structure, such as a ceiling or wall, using a mounting bracket or other means. It remains fixed in place and does not move during operation. In contrast, a movable pulley is attached to the load being moved and moves along with it. It is typically suspended by a rope or cable and can freely move up and down.
2. Mechanical Advantage: When it comes to mechanical advantage, a fixed pulley does not provide any advantage. It changes the direction of the force applied but does not reduce the effort required to lift the load. On the other hand, a movable pulley provides mechanical advantage by reducing the effort needed to lift the load. It distributes the load between the rope segments attached to the movable pulley and the fixed point, making it easier to lift heavy objects.
3. Force Distribution: In a fixed pulley, the force applied to one end of the rope or belt is redirected to change the direction of the force. The load is lifted by pulling the opposite end of the rope. In this case, the force required to lift the load is equal to the weight of the load itself. In a movable pulley, the load is attached to the movable pulley itself. The force required to lift the load is reduced because the weight of the load is distributed between the rope segments attached to the movable pulley and the fixed point.
4. Directional Change: Both fixed and movable pulleys are capable of changing the direction of the applied force. However, the primary function of a fixed pulley is to change the direction of force, while a movable pulley combines force direction change with mechanical advantage. The movable pulley allows the operator to exert force in a more convenient direction while requiring less effort to lift the load.
5. Applications: Fixed pulleys are commonly used in combination with other pulleys to create more complex systems, such as block and tackle arrangements. They are often used in scenarios where the primary objective is to change the direction of force. Movable pulleys, on the other hand, are frequently used in systems that require mechanical advantage or a reduction in the effort needed to lift heavy objects. They are often found in applications such as lifting systems, cranes, and elevators.
Overall, the key differences between a fixed pulley and a movable pulley lie in their design, mechanical advantage, force distribution, and applications. While a fixed pulley primarily changes the direction of force, a movable pulley combines force direction change with mechanical advantage, making it easier to lift heavy loads.
editor by CX
2023-11-14