China Professional American Standard 12c Series Cast Iron Qd Sheaves for C Belts bushing design

Product Description

Professional American Standard 12C Series Cast Iron QD Sheaves For C Belts

12C series 12 groove QD bushing pulley is used for C, CX, belt and CC v-belt; They range in diameter from 9.40 “to 50.40”. Depending on the pulley size, they use J or M QD (quick disassembly) bushings, which we also have in stock. Most of our 12C QD pulleys are made of high-strength Grade 35 cast iron, phosphate coated and coated with anti-corrosion paint. All these are balanced at the factory to ensure smooth operation of the machine.
 

12V Series QD Sheave Size Chart

Size

Bushing Type

Type

Pitch Diameter

Outside Diameter

(E)

(F)

(L)

(M)

Sheave Weight (LBS)

12C90J

J

A

9.0″

9.40″

2-9/16″

12-1/4″

4-5/8″

5-1/16″

80

12C95J

J

A

9.5″

9.90″

2-9/16″

12-1/4″

4-5/8″

5-1/16″

88

12C100J

J

A

10.0″

10.50″

2-9/16″

12-1/4″

4-5/8″

5-1/16″

95

12C105J

J

A

10.5″

10.90″

2-9/16″

12-1/4″

4-5/8″

5-1/16″

110

12C110J

J

A

11.0″

11.40″

2-9/16″

12-1/4″

4-5/8″

5-1/16″

111

12C120J

J

A

12.0″

12.40″

2-9/16″

12-1/4″

4-5/8″

5-1/16″

127

12C130J

J

A

13.0″

13.40″

2-9/16″

12-1/4″

4-5/8″

5-1/16″

137

12C140J

J

A

14.0″

14.40″

2-9/16″

12-1/4″

4-5/8″

5-1/16″

150

12C160J

J

A

16.0″

16.40″

2-9/16″

12-1/4″

4-5/8″

5-1/16″

170

12C180J

J

A

18.0″

18.40″

2-9/16″

12-1/4″

4-5/8″

5-1/16″

205

12C200M

M

A

20.0″

20.40″

9/32″

12-1/4″

6-3/4″

5-7/32″

245

12C240M

M

A

24.0″

24.40″

9/32″

12-1/4″

6-3/4″

5-7/32″

285

12C300M

M

A

30.0″

30.40″

9/32″

12-1/4″

6-3/4″

5-7/32″

355

12C360M

M

A

36.0″

36.40″

9/32″

12-1/4″

6-3/4″

5-7/32″

420

12C440M

M

A

44.0″

44.40″

9/32″

12-1/4″

6-3/4″

5-7/32″

515

12C500M

M

A

50.0″

50.40″

9/32″

12-1/4″

6-3/4″

5-7/32″

575

Features of V-pulley
The V-pulley has several advantages. These include higher operating torque and friction protection. In addition, they provide mechanical redundancy. These benefits are essential for any type of manufacturing process. In this article, we will discuss some of these features.
Mechanical redundancy
V-pulleys are commonly used in automotive applications to transfer power from static motors to rotating parts. Because of the complex load conditions and installation environment, its design and evaluation are challenging. Therefore, careful consideration should be given to the creation of v-pulley.
V-belts’ cross-section is usually trapezoidal, with the top and bottom parallel. Cross-section width, maximum distance, and spacing are essential. The inside and outside length of the V-belt is also crucial for correctly matching the belt and pulley. In addition, knowing these dimensions will help you choose the right V-belt size and shape for your application.
A significant advantage of v-pulleys is the ability to distribute torque between multiple belts. This enables more efficient transmission and better load capacity. In addition, V-belts are very durable and can withstand high loads. This means they can be used for industrial applications of various horsepower.
Prevent friction damage
The V-pulley must be protected against friction damage. Friction damage may cause the belt to slip. Fortunately, there are several ways to prevent this problem. These methods include replacing worn pulleys. In addition, modifying the design of the pulley can also improve its durability.
One of the easiest ways to protect the v-pulley from friction damage is to ensure that the belt is correctly aligned. This is critical because misalignment can cause belt stretch. When the belt is not correctly aligned, the auxiliary belt span makes initial contact only with 1 side of the groove. This will cause excessive belt swing and damage to the belt and bearings.
Polyurethane belts can be used to protect V-belts from friction damage. The density and elastic coefficient of polyurethane tape are higher than rubber tape. They also have higher heat resistance than rubber.
A typical application of QD pulley
*Machine tool
*Crusher, pulverizer, crusher, grader, vibrating screen
*Material conveying system
*Fans, blowers, and exhausters
*Pumps and compressors
*Woodworking saw, milling machine, planer, lathe
Higher operating torque
The high operating torque of the V-pulley is essential for efficient motors and drives. However, the power rating of V-belts depends on several factors. When selecting V-belts, the operating torque should match the belt size. The strength of the belt, the contact angle between the belt and pulley, and the belt speed (m/s) are all critical.
The V-belt consists of high-strength ropes wrapped in a rubber or fabric shell. The core provides tensile strength, while the housing forms a friction surface in contact with the pulley. Different belts have other characteristics, such as flame retardancy, oil resistance, and anti-static ability. Typically, V-belts are manufactured at a 40-degree angle, but this may differ. When bending around the pulley, the tip must be used to accommodate the slight bulge on the side of the belt.
Increase belt width
When comparing V-pulleys, the middle diameter must be considered. This is a factor that affects torque and speed. Ideally, the shaft speed should be 15-20 m/s, and the belt speed should be in the same area.
V-belts are made of high-strength ropes embedded in synthetic rubber. When the belt contacts the pulley, the core provides tensile strength, and the housing includes friction. There are different types of V-belt structures, including anti-static and oil-proof. In addition, some types of V-belts are flame retardant or flame retardant. The angle of the V-belt is usually 40 degrees but may vary slightly. The rise of the belt is critical because when it is bent around the pulley, it can accommodate the slight bulge on the side of the belt.
When selecting a V-belt, make sure the belt matches the groove. If the belt is more comprehensive, the track is easier to wear, and the belt life is reduced by 50%. V-belts shall be installed within half an inch of the pulley surface.
Reduced costs
V-pulley is widely used in industrial applications driven by an induction motor. They provide flexible power transmission at a low cost. However, they are prone to mechanical defects, which reduce efficiency and overall life. Existing V-pulley testing methods require physical access to the system and use expensive sensors to determine the cause of the defect.
Since the center of the V-belt pulley is short, there is a small sliding allowance. In addition, since the belt is elastic, the load applied to the belt will cause the belt to stretch, resulting in a loss of efficiency. This effect is often referred to as slip.
The design of new V-belt pulley is changing, and its advantages are various. Many pulleys are lighter and more durable than gray cast iron pulleys. Its unique ventilation slot also helps to reduce the belt temperature by about 17 degrees Celsius. A reduction of 10 ° C means a 50% increase in belt life.
Other pulleys
Technological Processing

The special-shaped customized rotary device can be designed and manufactured according to customer requirements. Ever power can independently complete the design and manufacture of high-end customized transmission parts. It is composed of inner and outer shells, rolling bodies, etc. the primary materials are ductile iron, cast aluminum, steel forged metal rolling bodies, modified plastic rolling bodies, etc. the device can integrate the upper and lower mounting plates and carry out design innovation such as flattening, lightweight, fully enclosed and high safety for the final product.

US $500-1,000
/ Piece
|
100 Pieces

(Min. Order)

###

Usage: Popular Type, Tailored Version
Loading Weight: 80T
Certification: ISO/TS16949, CCC, DOT, ISO, CE
Structure: Dump Trailer
Air Brake Type: Air Inflating
Nosewheel Steering Mechanism: Axle Steering

###

Samples:
US$ 9999/Piece
1 Piece(Min.Order)

|
Request Sample

###

Size
Bushing Type
Type
Pitch Diameter
Outside Diameter
(E)
(F)
(L)
(M)
Sheave Weight (LBS)
12C90J
J
A
9.0"
9.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
80
12C95J
J
A
9.5"
9.90"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
88
12C100J
J
A
10.0"
10.50"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
95
12C105J
J
A
10.5"
10.90"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
110
12C110J
J
A
11.0"
11.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
111
12C120J
J
A
12.0"
12.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
127
12C130J
J
A
13.0"
13.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
137
12C140J
J
A
14.0"
14.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
150
12C160J
J
A
16.0"
16.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
170
12C180J
J
A
18.0"
18.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
205
12C200M
M
A
20.0"
20.40"
9/32"
12-1/4"
6-3/4"
5-7/32"
245
12C240M
M
A
24.0"
24.40"
9/32"
12-1/4"
6-3/4"
5-7/32"
285
12C300M
M
A
30.0"
30.40"
9/32"
12-1/4"
6-3/4"
5-7/32"
355
12C360M
M
A
36.0"
36.40"
9/32"
12-1/4"
6-3/4"
5-7/32"
420
12C440M
M
A
44.0"
44.40"
9/32"
12-1/4"
6-3/4"
5-7/32"
515
12C500M
M
A
50.0"
50.40"
9/32"
12-1/4"
6-3/4"
5-7/32"
575
US $500-1,000
/ Piece
|
100 Pieces

(Min. Order)

###

Usage: Popular Type, Tailored Version
Loading Weight: 80T
Certification: ISO/TS16949, CCC, DOT, ISO, CE
Structure: Dump Trailer
Air Brake Type: Air Inflating
Nosewheel Steering Mechanism: Axle Steering

###

Samples:
US$ 9999/Piece
1 Piece(Min.Order)

|
Request Sample

###

Size
Bushing Type
Type
Pitch Diameter
Outside Diameter
(E)
(F)
(L)
(M)
Sheave Weight (LBS)
12C90J
J
A
9.0"
9.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
80
12C95J
J
A
9.5"
9.90"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
88
12C100J
J
A
10.0"
10.50"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
95
12C105J
J
A
10.5"
10.90"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
110
12C110J
J
A
11.0"
11.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
111
12C120J
J
A
12.0"
12.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
127
12C130J
J
A
13.0"
13.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
137
12C140J
J
A
14.0"
14.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
150
12C160J
J
A
16.0"
16.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
170
12C180J
J
A
18.0"
18.40"
2-9/16"
12-1/4"
4-5/8"
5-1/16"
205
12C200M
M
A
20.0"
20.40"
9/32"
12-1/4"
6-3/4"
5-7/32"
245
12C240M
M
A
24.0"
24.40"
9/32"
12-1/4"
6-3/4"
5-7/32"
285
12C300M
M
A
30.0"
30.40"
9/32"
12-1/4"
6-3/4"
5-7/32"
355
12C360M
M
A
36.0"
36.40"
9/32"
12-1/4"
6-3/4"
5-7/32"
420
12C440M
M
A
44.0"
44.40"
9/32"
12-1/4"
6-3/4"
5-7/32"
515
12C500M
M
A
50.0"
50.40"
9/32"
12-1/4"
6-3/4"
5-7/32"
575

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China Professional American Standard 12c Series Cast Iron Qd Sheaves for C Belts     bushing design		China Professional American Standard 12c Series Cast Iron Qd Sheaves for C Belts     bushing design
editor by czh 2022-11-28