China factory Machinery Components Balancing Machine, Gear, Wheel, Pulley, Axle, Shaft, Grinding Spindle (PHQ-300H) chain pulley

Product Description

Balancing Machine for Grinding spindle (PHQ-300)

Modular structure:
Quick change-over from work piece to the next 
High balancing accuracy 
Infinitely variable DC drive 
Optimum operating height 
Installation without bolting 

Production Description:

Specially designed brackets transmit mechanical force with low vibration damping
Durable and reliable sensor possesses good linearity
Permanent calibration brings high accuracy with a permission of large initial unbalance amount
Belt-driving offers higher precision and easier operation
Advanced electrical measuring system and friendly man-machine interface
Modular design offers a wide range of application


Range of Application:

This balancing machine is widely used in balancing rotatable bodies, such as kinds of medium-sized and small-sized motors rotors, impeller, fans, crankshaft, turbocharger, water pump, roller, grinding wheel, main shaft of machine tool , textile machinery, tool , spindle, etc .. Driven by belt, equipped with Variable speed motor to drive .Which ensures high quality balancing and precision. quick booting ,easy operation. and high efficiency  

Special Features:

The measuring unit employs JP-580 Electrical Measuring unit is a system of top function and precision. It can be applied in all kinds of single/double plate and hard/soft bearing machines, and can be connected with different velocity and pressure sensors easily. The unit adopts industrial computer made in Xihu (West Lake) Dis.a Industry Co, which equiped with 17-inch LCD screen and Windows XP Operating System. Featuring with high running speed and reliabilitystrong dustproof and shakeproof ability, it is applicable to various industrial environments

Production Parameters: 

Technical data at a glance PHQ-160H PHQ-300H PHQ-500H
Max Mass of Workpiece(kg) 160 300 500
Max Diameter of Workpiece (mm) Φ1000 Φ1220 Φ1500
Distance Between Two Support Bearings (mm) 130~1270 130~1270 130~1270
Journal Diameter Scope of Workpiece (mm) Φ 15~753) Φ 15~753) Φ 15~753)
Diameter Scope of Driving Belt (mm) Φmax400 Φmax500 Φmax600
Rotational Speed when the Diameter of Driving Belt is 100mm (r/min)  756,11761) 756,11761) 756,11761)
Motor Power (kw) 1.52) 1.52) 2.22)
Length of Bed (mm) 1500 1500 1500
Min Achievable Residual Unbalance Amount (emar) ≤0.5g· mm/kg ≤0.5g· mm/kg ≤0.5· mm/kg

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Type: Vibration Testing Machine
Maxcapacity: <1000KN
Accuracy Grade: 1
Load Way: Electronic Load
Loading Method: Dynamic Load
Display: Digital


Customized Request

gear pulley

What maintenance procedures are necessary to ensure the reliability of gear pulleys?

Proper maintenance procedures are crucial for ensuring the reliability and longevity of gear pulleys. Here are some essential maintenance steps to consider:

  1. Regular Inspection: Conduct routine inspections of the gear pulleys to check for any signs of wear, damage, or misalignment. Inspect the gear teeth, pulley surfaces, and the overall condition of the pulley assembly. Look for any cracks, chips, or excessive wear that may affect the pulley’s performance.
  2. Lubrication: Ensure that the gear pulleys are adequately lubricated. Lubrication helps reduce friction and wear between the gear teeth and the pulley surfaces. Follow the manufacturer’s recommendations for the appropriate lubricant type and schedule. Apply lubrication as specified to maintain smooth operation and prevent premature failure.
  3. Tension Adjustment: Check the tension of the belt connected to the gear pulleys. Proper tension is essential for efficient power transmission and to prevent slippage. If the belt is too loose or too tight, adjust the tension according to the manufacturer’s guidelines. Use tensioning devices such as idler pulleys or tensioners to achieve the optimal tension.
  4. Alignment: Ensure that the gear pulleys are properly aligned. Misalignment can lead to excessive wear, noise, and reduced efficiency. Use alignment tools and techniques to align the pulleys accurately. Check the alignment periodically and make any necessary adjustments to maintain proper alignment.
  5. Cleaning: Keep the gear pulleys clean and free from dirt, debris, and contaminants. Regularly clean the pulley surfaces using a suitable cleaning method recommended by the manufacturer. This helps prevent abrasive particles from damaging the gear teeth and ensures smooth operation.
  6. Replacement: If any significant wear, damage, or defects are observed during inspection, consider replacing the gear pulleys promptly. Delaying the replacement can result in further damage to the pulleys and other system components. Follow the manufacturer’s guidelines and specifications for selecting and installing the appropriate replacement pulleys.
  7. Professional Maintenance: In complex HVAC systems or air conditioning units, it is often advisable to seek professional maintenance services. HVAC technicians or qualified professionals can perform comprehensive inspections, maintenance, and repairs on gear pulleys and associated components.

By following these maintenance procedures, you can ensure the reliability and optimal performance of gear pulleys in HVAC systems and air conditioning units. Regular inspections, lubrication, tension adjustment, alignment checks, cleaning, and timely replacement contribute to the longevity and efficiency of gear pulleys, minimizing the risk of unexpected failures and system downtime.

gear pulley

What role do gear pulleys play in automotive engines and accessory systems?

Gear pulleys play a crucial role in automotive engines and accessory systems, contributing to the overall functionality and performance of vehicles. Here’s a detailed explanation of the role gear pulleys play in automotive engines and accessory systems:

Engine Timing:

One of the primary roles of gear pulleys in automotive engines is to control the engine timing. The timing belt or chain, which is driven by the crankshaft gear pulley, connects to the camshaft gear pulley. This synchronization between the crankshaft and camshaft ensures that the engine’s valves open and close at the correct time in relation to the piston’s position. Proper engine timing is essential for efficient combustion, optimal power delivery, and prevention of engine damage.

Accessory Drive Systems:

Gear pulleys are also integral components of accessory drive systems in automotive engines. These systems transmit mechanical power from the engine to various accessories such as the alternator, water pump, power steering pump, and air conditioning compressor. The accessory drive belt, often referred to as the serpentine belt, wraps around multiple gear pulleys and transfers rotational motion from the crankshaft pulley to the accessory pulleys. Gear pulleys in the accessory drive system ensure that the accessories operate smoothly and efficiently, providing electrical power, cooling, steering assistance, and climate control to the vehicle.

Supercharging and Turbocharging:

Gear pulleys are commonly used in supercharging and turbocharging systems to increase the engine’s power output. Superchargers and turbochargers are devices that compress the incoming air to deliver more oxygen to the engine, resulting in improved combustion and increased horsepower. Gear pulleys are utilized in the drive systems of these devices to transfer power from the engine to the supercharger or turbocharger. By driving the compressor with a gear pulley system, the intake air pressure is boosted, providing enhanced engine performance.

Variable Valve Timing:

Some modern automotive engines incorporate variable valve timing (VVT) systems to optimize engine performance at different engine speeds and loads. Gear pulleys are essential components of these systems. VVT systems use hydraulic actuators or electronic controls to adjust the position of the camshaft gear pulley relative to the crankshaft gear pulley. This adjustment alters the timing of the intake and exhaust valves, optimizing valve opening and closing events for improved fuel efficiency, power delivery, and emissions control.

Engine Balancing:

In certain engine designs, gear pulleys are utilized to balance the engine’s rotating assembly and reduce vibrations. Balancing gear pulleys can be mounted on the crankshaft to counteract the inherent imbalance caused by the reciprocating motion of the pistons. These balancing pulleys help minimize engine vibrations, leading to smoother operation, reduced noise, and improved overall engine longevity.

The role of gear pulleys in automotive engines and accessory systems is crucial for achieving proper engine timing, driving accessory components, enhancing engine performance through forced induction, optimizing valve timing, and reducing vibrations. By effectively transmitting power and enabling precise control over various engine functions, gear pulleys contribute significantly to the reliable operation and performance of automotive engines and accessory systems.

gear pulley

What is a gear pulley, and how does it function in mechanical systems?

A gear pulley, also known as a gear and pulley system, combines the functionality of gears and pulleys to transmit power and control the speed and torque in mechanical systems. Here’s an explanation of what a gear pulley is and how it functions:

A gear pulley is a mechanical system that consists of two or more gears and one or more pulleys connected together. Gears are toothed wheels that mesh together to transmit rotational motion and torque, while pulleys are grooved wheels that use a belt or a rope to transmit motion and force. By combining these two components, a gear pulley system can achieve various mechanical advantages and control the speed and torque of the system.

The functioning of a gear pulley system can be understood through the following key points:

  1. Power Transmission: The primary function of a gear pulley system is to transmit power from one component to another. When the input gear or pulley is rotated, it causes the corresponding output gear or pulley to rotate as well. This rotation transfers power from the input to the output, allowing the system to perform work. The gears and pulleys enable the power to be transmitted efficiently and effectively across the system.
  2. Mechanical Advantage: Gear pulley systems provide mechanical advantage, allowing for the amplification or reduction of force and torque. Gears, with their different sizes and number of teeth, can change the rotational speed and torque of the system. By selecting gears with different ratios, the gear pulley system can increase the torque output while reducing the rotational speed (increased force, decreased speed) or increase the rotational speed while reducing the torque output (decreased force, increased speed).
  3. Speed Control: One of the key functions of a gear pulley system is speed control. By using gears with different sizes, the system can adjust the speed at which the output component rotates. Larger gears will result in slower output speed, while smaller gears will result in faster output speed. This feature is especially useful in applications where precise speed control is required, such as in machinery and automotive systems.
  4. Direction Control: The arrangement of gears and pulleys in a gear pulley system can also control the direction of rotation. By using various gear configurations, such as spur gears, bevel gears, or worm gears, the system can achieve different rotational directions. This allows for versatile control and manipulation of the mechanical system based on the desired outcome.
  5. Tension and Belt Control: In gear pulley systems that incorporate belts or ropes, the pulleys play a crucial role in maintaining tension and controlling the movement of the belts. The grooves on the pulleys ensure that the belts remain in place and transmit force efficiently. By adjusting the size and position of the pulleys, the tension in the belts can be controlled, ensuring smooth operation and reducing slippage.
  6. Transfer of Motion: A gear pulley system can transfer motion and power between non-parallel shafts, allowing for flexibility in mechanical designs. By using appropriate gears and pulleys, the system can change the direction of rotation, transfer motion at different angles, and transmit power between components that are not directly in line with each other. This versatility expands the range of applications where gear pulley systems can be employed.

In summary, a gear pulley system combines gears and pulleys to transmit power, control speed and torque, and achieve mechanical advantages in mechanical systems. By selecting appropriate gear ratios, sizes, and configurations, gear pulley systems provide efficient power transmission, speed control, direction control, tension control, and the transfer of motion in a wide range of applications.

China factory Machinery Components Balancing Machine, Gear, Wheel, Pulley, Axle, Shaft, Grinding Spindle (PHQ-300H)   chain pulleyChina factory Machinery Components Balancing Machine, Gear, Wheel, Pulley, Axle, Shaft, Grinding Spindle (PHQ-300H)   chain pulley
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