China Custom European Standard SPA CZPT Spc Spz Taper Bush Cast Iron V Belt Pulley engine pulley

Product Description

European Standard SPA CHINAMFG Spc Spz Taper Bush Cast Iron V Belt Pulley

At HangZhou CHINAMFG Industry Co., Ltd., we are proud to supply a wide range of V Belt Pulleys that are perfect for various industrial applications. Our V Belt Pulleys are designed to meet European and American standards, ensuring compatibility and reliability.

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: AK, AKH, 2AK, 2AKH, BK, BKH, 2BK, 2BKH, 3BK
  • Adjustable sheaves: Poly V-pulley, multi-pitch H, L, J, K and M

Key Features:

  • Bore options: Pilot bore, finished bore, taper bore, bore for QD bushing
  • Surface finish options: Paint, phosphating, zinc plated
  • Material options: Cast iron, ductile iron, nylon, aluminum
  • Customizable: Made according to drawings and/or samples
  • OEM inquiries welcomed

Our V Belt Pulleys are manufactured with precision and durability in mind. They are designed to provide efficient power transmission and long-lasting performance. Whether you need a V-belt pulley for taper bushings, adjustable speed pulleys, or sheaves for various belt types, we have the solution for you.

Trust HangZhou CHINAMFG Industry Co., Ltd. for all your V Belt Pulley needs. Contact us today for more information or to place an order.

 

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.

HangZhou CHINAMFG Industry Co., Ltd. specializes in providing a wide range of high-quality products to meet your needs. Our product line includes chains, sprockets, gears, gear racks, v belt pulleys, timing pulleys, V-belts, couplings, machined parts, and more.

With our commitment to excellent service, understanding of your requirements, and a strong sense of responsibility, we have gained the trust of buyers worldwide. Our extensive experience in working with international customers has allowed us to establish a strong presence in the American, European, South American, and Asian markets.

All our products are manufactured using modern computerized machinery and equipment. We adhere to high-quality standards and comply with international advanced criteria. Our years of experience in this industry have positioned us as a trusted supplier, offering competitive prices, on-time delivery, prompt response, on-hand engineering support, and reliable after-sales services.

Furthermore, we maintain ISO9001 compliance in all our production procedures. We are also capable of designing and producing non-standard products to meet your specific requirements. At HangZhou CHINAMFG Industry Co., Ltd., we prioritize quality and credit, ensuring that we provide the best services and high-quality products with utmost sincerity.

If you need any information or samples, please don’t hesitate to contact us. We assure you of a prompt response.

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Certification: CE
Pulley Sizes: SPA Spb Spc Spz
Manufacturing Process: Casting
Material: Carbon Steel
Surface Treatment: Oxygenation
Application: Chemical Industry, Mining Transport
Customization:
Available

|

Customized Request

pulley

How do multiple pulleys in a block and tackle system work together?

In a block and tackle system, multiple pulleys are used in combination to create a mechanical advantage, allowing for easier lifting of heavy loads. The pulleys in a block and tackle system work together in the following manner:

1. Load Distribution: The weight of the load to be lifted is distributed over multiple strands of rope or cable that pass through the pulleys. This distribution of weight helps in reducing the force required to lift the load.

2. Mechanical Advantage: The mechanical advantage in a block and tackle system is achieved by increasing the number of rope segments that support the load. Each additional pulley increases the number of rope segments, which in turn reduces the amount of force needed to lift the load. The mechanical advantage is equal to the number of segments of rope supporting the load.

3. Tension Distribution: As the load is lifted, the tension in the rope or cable changes. In a block and tackle system, the tension is distributed among the various segments of rope or cable connected to the pulleys. This distribution of tension ensures that the load is lifted evenly and prevents excessive stress on any single rope segment.

4. Rope Arrangement: The pulleys in a block and tackle system are arranged in two sets: the fixed pulleys and the movable pulleys. The fixed pulleys are attached to a fixed point, such as a beam or a ceiling, and do not move. The movable pulleys are attached to the load being lifted and can move freely. The arrangement of the pulleys determines the mechanical advantage and the direction of force required to lift the load.

By combining these principles, multiple pulleys in a block and tackle system allow for the effective lifting of heavy loads with reduced effort. The mechanical advantage provided by the pulleys makes it possible to lift loads that would otherwise be too heavy to lift manually. Block and tackle systems are commonly used in various applications, including construction, rigging, sailing, and theatrical setups.

pulley

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.

pulley

What are the advantages of using pulleys for mechanical advantage?

Using pulleys for mechanical advantage offers several advantages in various applications. Here are the key advantages:

1. Increased Lifting Capacity: One of the primary advantages of using pulleys for mechanical advantage is that they allow for the lifting of heavier loads with less effort. By distributing the load over multiple segments of rope or belt, pulleys reduce the amount of force required to lift the load. This is especially beneficial in scenarios where manual lifting or limited power is involved.

2. Easier Load Manipulation: Pulleys make it easier to manipulate and control heavy loads. The mechanical advantage provided by pulleys reduces the force needed to move or lift the load, allowing operators to exert less effort. This makes tasks such as lifting, lowering, and positioning heavy objects more manageable and less physically demanding.

3. Safety and Injury Prevention: By reducing the amount of force required to lift heavy loads, pulleys contribute to improved safety and injury prevention. When operators have to exert less physical effort, the risk of strains, sprains, and other lifting-related injuries is significantly reduced. Pulleys enable controlled and smoother load movement, minimizing the risk of sudden shifts or drops that could cause accidents.

4. Precise Load Positioning: Pulley systems provide precise control over load positioning. By using multiple pulleys and adjusting the tension in the rope or belt, operators can achieve precise vertical and horizontal movements of the load. This level of control is particularly valuable in applications that require accurate placement of heavy objects, such as construction, manufacturing, and material handling.

5. Versatility and Adaptability: Pulleys offer versatility and adaptability in various applications. They can be configured in different arrangements and combinations to achieve specific mechanical advantages based on the requirements of the task or load. Pulleys can be easily integrated into existing systems or incorporated into custom-designed setups, making them highly adaptable to different situations.

6. Efficient Power Transmission: Pulleys provide efficient power transmission in mechanical systems. They enable the transfer of rotational motion and force from one component to another with minimal energy loss. The use of pulleys allows for the optimization of power transmission, ensuring effective utilization of available power sources.

7. Cost-Effectiveness: Using pulleys for mechanical advantage can be cost-effective compared to alternative methods. Pulleys are relatively simple and economical devices that can be readily obtained. They require minimal maintenance and have a long operational lifespan. Additionally, pulley systems can often be designed and implemented without the need for complex and expensive equipment.

In conclusion, using pulleys for mechanical advantage offers advantages such as increased lifting capacity, easier load manipulation, safety and injury prevention, precise load positioning, versatility, efficient power transmission, and cost-effectiveness. These advantages make pulleys a valuable tool in a wide range of industries and applications.

China Custom European Standard SPA CZPT Spc Spz Taper Bush Cast Iron V Belt Pulley   engine pulleyChina Custom European Standard SPA CZPT Spc Spz Taper Bush Cast Iron V Belt Pulley   engine pulley
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