Engineering car rims (such as rims for heavy vehicles such as excavators, loaders, mining trucks, etc.) are usually made of steel or aluminum alloy materials. The manufacturing process includes multiple steps, from raw material preparation, forming processing, welding assembly, heat treatment to surface treatment and final inspection. The following is a typical manufacturing process of engineering car rims
1. Raw material preparation
Material selection: Rims usually use high-strength steel or aluminum alloy materials. These materials need to have good strength, durability, corrosion resistance and fatigue resistance.
Cutting: Cut raw materials (such as steel plates or aluminum alloy plates) into strips or sheets of specific sizes to prepare for subsequent processing.
2. Rim strip forming
Rolling forming: The cut metal sheet is rolled into a ring shape by a roll forming machine to form the basic shape of the rim strip. The force and angle need to be precisely controlled during the rolling process to ensure that the size and shape of the rim meet the design requirements.
Edge processing: Use special equipment to curl, reinforce or chamfer the edge of the rim to enhance the strength and rigidity of the rim.
3. Welding and assembly
Welding: weld the two ends of the formed rim strip together to form a complete ring. This is usually done using automatic welding equipment (such as arc welding or laser welding) to ensure welding quality and consistency. After welding, grinding and cleaning are required to eliminate burrs and unevenness on the weld.
Assembly: assemble the rim strip with other parts of the rim (such as hub, flange, etc.), usually by mechanical pressing or welding. The hub is the part that is mounted with the tire, and the flange is the part that is connected to the vehicle axle.
4. Heat treatment
Annealing or quenching: heat treatment such as annealing or quenching is performed on the welded or assembled rim to eliminate internal stress and improve the toughness and strength of the material. The heat treatment process needs to be carried out at a precisely controlled temperature and time to ensure that the physical properties of the material meet the requirements.
5. Machining
Turning and drilling: precision machining of the rim using CNC machine tools, including turning the inner and outer surfaces of the rim, drilling holes (such as mounting bolt holes) and chamfering. These processing operations require high precision to ensure the balance and dimensional accuracy of the rim.
Balance calibration: Perform dynamic balance test on the processed rim to ensure its stability when rotating at high speed. Make necessary corrections and calibrations based on the test results.
6. Surface treatment
Cleaning and rust removal: Clean, rust and degrease the rim to remove the oxide layer, oil stains and other impurities on the surface.
Coating or electroplating: The rim usually needs to be treated with anti-corrosion treatment, such as spraying primer, topcoat or electroplating (such as electrogalvanizing, chrome plating, etc.). Surface coating not only provides a beautiful appearance, but also effectively prevents corrosion and oxidation, extending the service life of the rim.
7. Quality inspection
Appearance inspection: Check whether there are defects on the rim surface, such as scratches, cracks, bubbles or uneven coating.
Dimension inspection: Use special measuring tools to detect the size, roundness, balance, hole position, etc. of the rim to ensure that it meets the design specifications and quality standards.
Strength test: Static or dynamic strength test is performed on the rims, including compression, tension, bending and other properties, to ensure their reliability and durability in actual use.
8. Packaging and delivery
Packaging: Rims that pass all quality inspections will be packaged, usually shockproof and moisture-proof packaging to protect the rims from damage during transportation.
Delivery: The packaged rims will be shipped according to the order arrangement and transported to customers or dealers.
The manufacturing process of engineering car rims involves multiple precision processing steps, including material preparation, molding, welding, heat treatment, machining and surface treatment, etc., to ensure that the rims have excellent mechanical properties and corrosion resistance. Strict quality control is required at each step to ensure that the rims have long-term durability and reliability in harsh working environments.
We are China's No. 1 off-road wheel designer and manufacturer, and a world-leading expert in rim component design and manufacturing. All products are designed and produced according to the highest quality standards, and we have more than 20 years of wheel manufacturing experience.
We have a wide range of rims for construction equipment, including wheel loaders, articulated trucks, graders, wheel excavators and many other models. We are the original rim supplier in China for well-known brands such as Volvo, Caterpillar, Liebherr, and John Deere.
The 19.50-25/2.5 rims we provide for JCB wheel loaders have been highly recognized by customers. 19.50-25/2.5 is a 5PC structure rim for TL tires, commonly used for wheel loaders and ordinary vehicles.
The following are the sizes of wheel loaders we can produce.
|
Wheel loader |
14.00-25 |
|
Wheel loader |
17.00-25 |
|
Wheel loader |
19.50-25 |
|
Wheel loader |
22.00-25 |
|
Wheel loader |
24.00-25 |
|
Wheel loader |
25.00-25 |
|
Wheel loader |
24.00-29 |
|
Wheel loader |
25.00-29 |
|
Wheel loader |
27.00-29 |
|
Wheel loader |
DW25x28 |
How to use a wheel loader correctly?
Wheel loaders are a common type of engineering machinery, mainly used in earthwork, mining, construction and other occasions to load, transport, stack and clean materials. Correct use of wheel loaders can not only improve work efficiency, but also ensure operational safety. The following are the basic methods and steps for using wheel loaders:
1. Preparation before operation
Inspect the equipment: Check the appearance and various components of the wheel loader to see if they are in good condition, including tires (check tire pressure and wear), hydraulic system (whether the oil level is normal, whether there is leakage), engine (check engine oil, coolant, fuel, air filter, etc.).
Safety check: Ensure that all safety devices are operating normally, such as brakes, steering systems, lights, horns, warning signs, etc. Check whether the seat belts, safety switches and fire extinguishers in the cab are in good condition.
Environmental check: Check whether there are obstacles or potential dangers at the work site, and ensure that the ground is solid and flat, without obvious obstacles or other potential dangers.
Start the equipment: Get in the cab and fasten your seat belt. Start the engine as required by the operator's manual, wait for the equipment to warm up (especially in cold weather), and observe the indicator lights and alarm systems on the dashboard to ensure that all systems are normal.
2. Basic operation of wheel loaders
Adjust the seat and mirrors: Adjust the seat to a comfortable position and ensure that the control levers and pedals can be easily operated. Adjust the rearview mirrors and side mirrors to ensure a clear view.
Operation control lever:
Bucket operating lever: used to control the lifting and tilting of the bucket. Pull the lever backward to lift the bucket, push forward to lower the bucket; push left or right to control the tilt of the bucket.
Travel control lever: usually set on the right hand side of the driver for forward and reverse. After selecting forward or reverse gear, gradually step on the accelerator pedal to control the speed.
Travel operation:
Start: Select the appropriate gear (usually 1st or 2nd gear), slowly step on the accelerator pedal, start gently, and avoid sudden acceleration.
Steering: Slowly turn the steering wheel to control the steering, avoid sharp turns at high speeds to prevent rollover. Keep the vehicle speed stable to ensure that the vehicle is stable.
Loading operation:
Approaching the material pile: Approach the material pile at a low speed, ensure that the bucket is stable and close to the ground, and prepare to shovel in the material.
Shoveling material: When the bucket contacts the material, gradually lift the bucket and tilt it backwards to shovel the right amount of material. Ensure that the bucket is evenly loaded to avoid eccentric loading.
Lifting shovel: After loading, lift the bucket to the appropriate transportation height, avoid being too high or too low, to maintain a clear field of vision and stability.
Moving and unloading: Transport the material to the designated location at a low speed, then slowly lower the bucket to unload the material smoothly. When unloading, ensure that the bucket is balanced and do not dump it suddenly.
3. Key points for safe operation
Maintain stability: Avoid sideways driving or sharp turns on slopes to maintain the stability of the loader. When driving on a slope, try to go straight up and down to avoid the risk of rollover.
Avoid overloading: Load reasonably according to the load capacity of the loader to avoid overloading. Overloading will affect operational safety, increase equipment wear, and shorten the service life of the equipment.
Keep a clear view: During loading and transportation, ensure that the driver has a good view, especially when working in complex working conditions or crowded areas, be especially careful.
Slow operation: When loading and unloading, always operate at a low speed and avoid sudden acceleration or braking. Especially when driving the machine close to the material pile, operate gently.
4. Maintenance and care after operation
Clean equipment: After work, clean the wheel loader, especially the bucket, engine air intake and radiator, where dust and dirt are easily accumulated.
Check wear: Check whether the tires, buckets, hinge points, hydraulic lines, cylinders and other parts are damaged, loose or leaking.
Refuel and lubricate: Refuel the loader as needed, check and replenish various lubricants such as hydraulic oil and engine oil. Keep all lubrication points well lubricated.
Record equipment status: Keep operation records and equipment status records, including operating time, maintenance status, fault records, etc., to facilitate daily management and maintenance.
5. Emergency handling
Brake failure: Immediately switch to low gear, use the engine to slow down, and stop slowly; if necessary, use the emergency brake.
Hydraulic system failure: If the hydraulic system fails or leaks, stop the operation immediately, stop the loader in a safe position, and check or repair it.
Equipment failure alarm: If a warning signal appears on the dashboard, immediately check the cause of the failure and decide whether to continue the operation or repair it according to the situation.
The use of wheel loaders requires strict compliance with operating procedures, familiarity with various control devices and functions, good driving habits, regular maintenance and care, and always pay attention to operational safety. Reasonable use and maintenance can not only extend the life of the equipment, but also improve operating efficiency and ensure the safety of the construction site.
Our company is widely involved in the fields of mining rims, forklift rims, industrial rims, agricultural rims, other rim components and tires.
The following are the various sizes of rims that our company can produce for different fields:
Engineering machinery sizes: 7.00-20, 7.50-20, 8.50-20, 10.00-20, 14.00-20, 10.00-24, 10.00-25, 11.25-25, 12.00-25, 13.00-25, 14.00-25, 17.00-25, 19.50-25, 22.00-25, 24.00-25, 25.00-25, 36.00-25, 24.00-29, 25.00-29, 27.00-29, 13.00-33
Mining sizes: 22.00-25, 24.00-25 , 25.00-25, 36.00-25, 24.00-29, 25.00-29, 27.00-29, 28.00-33, 16.00-34, 15.00-35, 17.00-35, 19.50-49, 24.00-51, 40.00-51, 29.00-57, 32.00-57, 41.00-63, 44.00-63,
Forklift sizes are: 3.00-8, 4.33-8, 4.00-9, 6.00-9, 5.00-10, 6.50-10, 5.00-12, 8.00-12, 4.50-15, 5.50-15, 6.50-15, 7.00 -15, 8.00-15, 9.75-15, 11.00-15, 11.25-25, 13.00-25, 13.00-33,
Industrial vehicle sizes are: 7.00-20, 7.50-20, 8.50-20, 10.00-20, 14.00-20, 10.00-24, 7.00x12, 7.00x15, 14x25, 8.25x16.5, 9.75x16.5, 16x17, 13x15.5, 9x15.3, 9x18, 11x18, 13x24, 14x24, DW14x24, DW15x24, DW16x26, DW25x26, W14x28 , DW15x28, DW25x28
Agricultural machinery sizes are: 5.00x16, 5.5x16, 6.00-16, 9x15.3, 8LBx15, 10LBx15, 13x15.5, 8.25x16.5, 9.75x16.5, 9x18, 11x18, W8x18, W9x18, 5.50x20, W7x20, W11x20, W10x24, W12x24, 15x24, 18x24, DW18Lx24, DW16x26, DW20x26, W10x28, 14x28, DW15x28, DW25x28, W14x30, DW16x34, W10x38 , DW16x38, W8x42, DD18Lx42, DW23Bx42, W8x44, W13x46, 10x48, W12x48
Our products have world-class quality.
Post time: Sep-14-2024