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.
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| Certification: | CE |
|---|---|
| Pulley Sizes: | SPA Spb Spc Spz |
| Manufacturing Process: | Casting |
| Customization: |
Available
| Customized Request |
|---|
How does the diameter of a pulley affect its mechanical advantage?
The diameter of a pulley plays a significant role in determining its mechanical advantage. Mechanical advantage refers to the ratio of the output force or load to the input force or effort applied to the pulley system. Here’s how the diameter of a pulley affects its mechanical advantage:
1. Larger Diameter: When the diameter of a pulley increases, the mechanical advantage also increases. A larger diameter means that the circumference of the pulley is greater, allowing a longer length of rope or belt to be wrapped around it. As a result, a larger pulley requires less effort force to lift a given load. This is because the load is distributed over a greater length of rope or belt, reducing the force required to overcome the load.
2. Smaller Diameter: Conversely, when the diameter of a pulley decreases, the mechanical advantage decreases. A smaller diameter means that the circumference of the pulley is reduced, resulting in a shorter length of rope or belt wrapped around it. As a result, a smaller pulley requires more effort force to lift a given load. This is because the load is concentrated over a shorter length of rope or belt, requiring a greater force to overcome the load.
It’s important to note that while a larger diameter pulley offers a greater mechanical advantage in terms of reducing the effort force required, it also results in a slower speed of the load being lifted. This is because the longer length of rope or belt requires more input distance to achieve a given output distance. On the other hand, a smaller diameter pulley offers a lower mechanical advantage but allows for a faster speed of the load being lifted.
The mechanical advantage of a pulley system can be calculated using the formula:
Mechanical Advantage = Load / Effort
Where “Load” refers to the weight or force being lifted and “Effort” refers to the force applied to the pulley system. By adjusting the diameter of the pulley, the mechanical advantage can be optimized to suit the specific requirements of the application, balancing the effort force and speed of the load being lifted.
How are pulleys used in manufacturing processes and assembly lines?
Pulleys play a crucial role in manufacturing processes and assembly lines, facilitating the movement of materials, components, and products. They are utilized in various ways to enhance efficiency, increase productivity, and streamline production. Here’s how pulleys are commonly used in manufacturing processes and assembly lines:
1. Conveyor Systems:
Pulleys are extensively employed in conveyor systems, which are integral to manufacturing and assembly lines. Conveyor belts or chains run over pulleys at different points along the line, transporting materials or products from one workstation to another. The pulleys help guide and support the conveyor belts or chains, ensuring smooth and controlled movement. By utilizing pulleys of different sizes or configurations, conveyor systems can be designed to accommodate various layouts, inclines, or speed requirements.
2. Material Handling:
Pulleys are used to facilitate the lifting, lowering, and movement of materials in manufacturing processes. Cranes, hoists, and lifting equipment often incorporate pulley systems to provide mechanical advantage and precise control over heavy loads. The pulleys, along with ropes, cables, or chains, allow operators to lift and position materials with minimal effort and improved safety.
3. Assembly Line Automation:
In automated manufacturing and assembly lines, pulleys are utilized in robotic systems to control the movement of robotic arms. The pulleys are incorporated into the mechanism that guides the cables or belts connected to the robotic arms. By adjusting the position and tension of the pulleys, precise and coordinated movements can be achieved, enabling efficient assembly processes.
4. Tensioning and Alignment:
Pulleys are crucial for maintaining proper tension and alignment in manufacturing processes. Tensioning pulleys are used to apply the appropriate tension to belts or chains, ensuring optimal power transmission and preventing slack or slipping. Alignment pulleys are employed to align belts or chains, minimizing wear, reducing vibrations, and prolonging the life of the components.
5. Power Transmission:
Pulleys are central to power transmission in manufacturing processes and assembly lines. They are used in conjunction with belts, chains, or gears to transfer rotational motion and power from one component to another. By selecting pulleys of different sizes or ratios, the speed and torque can be adjusted to suit specific production requirements.
6. Tool and Machine Positioning:
In manufacturing processes, pulleys are often integrated into tool positioning systems or adjustable machine setups. By using pulleys and cables, tools or machine components can be easily repositioned, allowing for quick changeovers or adjustments to accommodate different workpieces or production tasks.
Overall, pulleys are indispensable in manufacturing processes and assembly lines, enabling efficient material handling, precise movement control, proper tensioning and alignment, power transmission, and flexible tool positioning. Their use contributes to increased productivity, improved workflow, and enhanced automation in the manufacturing industry.
Can you explain the basic principles of pulley mechanics?
Pulley mechanics are based on a few fundamental principles that govern the operation of pulley systems. Here’s an explanation of the basic principles:
1. Mechanical Advantage: The primary principle of pulley mechanics is mechanical advantage. A pulley system allows for the multiplication of force applied to the rope or belt. By distributing the force over multiple segments of the rope or belt, the load becomes easier to lift or move. The mechanical advantage gained depends on the number of pulleys used in the system. The more pulleys in the system, the greater the mechanical advantage.
2. Force Transmission: When a force is applied to one end of the rope or belt, it creates tension that causes the pulley to rotate. As the pulley turns, the force is transmitted to the load attached to the other end of the rope or belt. This force transmission allows for the movement and manipulation of objects in pulley systems.
3. Directional Change: One of the key principles of pulley mechanics is directional change. A pulley system enables the operator to change the direction of the applied force. By redirecting the force along a different path, a pulley system allows for force to be exerted from a more convenient or advantageous position. This directional change is particularly useful in situations where the force needs to be applied vertically, horizontally, or at an angle.
4. Conservation of Energy: Pulley mechanics also adhere to the principle of conservation of energy. The work done on the load by the applied force is equal to the work done against the load’s weight. Through the pulley system, the input force is transformed into an output force that moves or lifts the load. The energy input and output remain the same, but the pulley system allows for the distribution and transformation of forces to achieve the desired mechanical advantage.
5. Speed and Torque Conversion: Pulleys can also be used to convert speed and torque in mechanical systems. By varying the size of the pulleys or using pulleys of different diameters, the rotational speed and torque can be adjusted according to the requirements of the system. This speed and torque conversion allows for the optimization of power transmission and the matching of different rotational speeds between input and output components.
6. Multiple Pulley Systems: Pulleys can be combined in systems to achieve increased mechanical advantage or to create complex motion patterns. In systems with multiple pulleys, such as block and tackle arrangements, the load is distributed over several segments of rope or belt, further reducing the effort required to lift heavy objects. These systems are often used in cranes, elevators, and other applications where heavy lifting is necessary.
These basic principles of pulley mechanics form the foundation for the understanding and application of pulleys in mechanical systems. By harnessing mechanical advantage, force transmission, directional change, conservation of energy, and speed/torque conversion, pulley systems provide a versatile means of lifting, moving, and manipulating loads in various applications.
editor by CX
