Product Description
ZheJiang Qilu Industrial Co., Ltd has the capacity to guarantee the quality for every step, from raw material (forging), then heating treatment, finally machining. We have our own forging mill, heating teatment shop and machining shop. At present we could supply various of lage main shaft, turbin shaft, cylinder shaft, windy generator shaft, roller shaft, wheel forging, drill bit forging and kinds of irregular parts based on the drawing provided by customers.
Steel material for shaft and forging parts:
| Engineering Steel | |||||
| GB GB/T 700 |
JIS JIS G3101 |
DIN (W-Nr.) EN10571-2 / DIN17100 |
AISI/ASTM ASTM A36 |
BS | OTHERS |
| Q235B | SS400 | S235JR / RST37-2 | A36 | ||
| Q235C | S235J0 / ST37-3 U | ||||
| Q235D | S235J2 | ||||
| GB GB/T1591 |
JIS | DIN (W-Nr.) EN10571-2 / DIN17100 |
AISI/ASTM | BS | OTHERS |
| Q355B | S355JR | ||||
| Q355C | S355J0 / ST52-3U | ||||
| Q355D | S355J2 / ST52-3 N | ||||
| Q355E | S355K2 | ||||
| GB GB/T 699 |
JIS JIS G4051 |
DIN (W-Nr.) EN 10083-2 |
AISI/ASTM ASTM A20 |
BS | OTHERS |
| 1018 | EN2C | ||||
| 20 | S20C | C20 | 1571 | EN3B/070M20 | ASTM A105 |
| 35 | S35C | C30 | 1035 | ||
| 45 | S45C | C45E/1.1191 | 1045 | EN8D/080M40 | |
| 50 | S50C | C50/1.1206 | 1050 | 080M50 | |
| 55 | S55C | C55 | 1055 | EN9/070M55 | |
| GB GB/T 3077 |
JIS JIS G4105/JIS G4103 |
DIN (W-Nr.) EN 15710 |
AISI/ASTM ASTM A29 |
BS BS 970 |
OTHERS |
| 40Cr | SCr440 | 41Cr4(1.7035) | 5140 | ||
| 15CrMo | SCM415 | 16CrMo44/1.7337 | |||
| 20CrMo | SCM420 | 18CrMo4/1.7243 | 4118 | ||
| 30CrMo | SCM430 | 25CrMo4/1.7218 | 4130 | 708A25/708M25 | |
| 42CrMo | SCM440 | 42crmo4/1.7225 | 4140 | EN19/709M40 | |
| SCM445 | 4145 | ||||
| 40CrNiMoA | SNCM 439/SNCM8 | 36CrNiMo4/1.6511 | 4340 | EN24/817M40 | |
| 40NiMoCr10-5/1.6745 | EN26/826M40 | ||||
| 34CrNiMo6 / 1.6582 | 4337 | ||||
| 30CrNiMo16-6/1.6747 | 4330V | EN30B/835M30 | |||
| 32CrMo12/1.7361 | EN40B/722M24 | ||||
| 16CrMnH / 20CrMnTi | 16MnCr5 / 1.7131 | 5115 | |||
| 20CrMn | 20MnCr5 / 1.7147 | ||||
| 15CrNi6/1.5919 | 3115 | ||||
| 16NiCr4/1.5714 | EN351/637M17 | ||||
| 4615/4617 | EN34/665M17 | ||||
| 14NiCr14/1.5752 | 3310/3415 | EN36/655M13 | |||
| 15NiCrMo16-5/1.6723 | EN39/835M15 | ||||
| 17CrNiMo6 | 18CrNiMo7-6 (1.6587) | 4815 | |||
| 20CrNiMo | SNCM220 | 1.6523/21NiCrMo2 | 8620 | 805M20 | |
| 20CrNiMo5 | EN353 | ||||
| GCr15 | SUJ2 | 52100/1.3505 | EN31/535A99 | ||
| 38CrMoAl | SACM645 | 41CrAlMo7/34CrAlMo5 | 905M39/905M31 | 41CrAlMo74(ISO) | |
ZheJiang Qilu Industrial Co., Ltd were already engaged in exporting steel for 11 years, could supply a great variety of hot forged, hot rolled and cold drawn Steels , including engineering steel, cold work tool steel, hot work tool steel, plastic mold steel, spring steel, high speed steel, stainless steel etc., besides Qilu Industrial also has their own heating treatment shop and machining shop to provide heating treatment, cutting and further machining service.
Since 2008 year, ZheJiang Qilu Industrial has the right to export all FORGED STEEL behalf of Qilu Speical Steel Co.,ltd which is specialized in smelting and forging of special steel since 1965 year, now Qilu special steel is 1 of the biggest manufacturer of forged product in China.The forged products are used in Automotive, Aerospace, Power Generation, Oil & Gas, Transportation and Industrial.
Till 2013 year, many customers need HOT ROLLED and COLD DRAWN steel from Qilu Industrial, in order to provide one-stop solution to our customers, Qilu Industrial began to cooperate with Xihu (West Lake) Dis.bei Special Steel (HangZhou and HangZhou mill), Baosteel, Tiangong International, Changcheng Special Steel for hot rolled tool steel, cooperate with HangZhou Speical Steel, HangZhou HangZhou Speical Steel, Shagang Group, CZPT Group for hot rolled engineering steel. Now we already set up the warehouse in HangZhou and HangZhou City, more than 20000 tons ex-stock could be supplied with kinds of sizes.
Then from 2018 year, Qilu Industrial decide to provide further manufacturer processing service, at present we could supply various of lage main shaft, turbin shaft, cylinder shaft, windy generator shaft, roller shaft, wheel forging, drill bit forging and kinds of irregular parts based on the drawing provided by customers.
Qilu Industrial is the professional one-stop steel manufacturer, stockist and exporter in China, our customers spread all over the world, include West Europe, North America, South America, Asia, Middle Asia, Africa, Australia, etc.
The company owns advanced special steel smelting facilities and forging processing equipments, the main steel-making equipment include 2 sets of 50t ultra-high power electric arc furnaces,2 sets of 60t LF refining furnaces,1 set of 60t vacuum degassing refining CZPT and 4 sets of 1-20t electroslag re-melting furnaces.
The main forging equipments mainly include:3 sets of 5t electro-hydraulic hammers, 1 set of high-speed forging units of 800t,1600t,2000t and 4500t respectively.
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| Material: | Alloy Steel |
|---|---|
| Load: | Central Spindle |
| Stiffness & Flexibility: | Stiffness / Rigid Axle |
| Journal Diameter Dimensional Accuracy: | IT6-IT9 |
| Axis Shape: | Straight Shaft |
| Shaft Shape: | Stepped Shaft |
| Customization: |
Available
| Customized Request |
|---|
Can a malfunctioning axle spindle lead to brake-related issues, and if so, how?
Yes, a malfunctioning axle spindle can indeed lead to brake-related issues in a vehicle. Here is a detailed explanation of how a faulty axle spindle can affect the brake system:
The axle spindle plays a crucial role in the operation of the brake system, particularly in vehicles with disc brakes. It is responsible for supporting the wheel hub and providing a mounting point for various brake components, such as the brake rotor, caliper, and brake pads. When the axle spindle malfunctions, it can have several adverse effects on the brake system, including the following:
- Uneven Brake Pad Wear: A malfunctioning axle spindle can cause uneven distribution of braking force on the brake rotor. This uneven force can lead to uneven wear of the brake pads. Some pads may wear out faster than others, resulting in uneven braking performance and reduced effectiveness.
- Brake Caliper Misalignment: If the axle spindle becomes bent or damaged, it can cause misalignment of the brake caliper. The caliper may not sit properly over the brake rotor, resulting in uneven braking force or even constant contact between the brake pads and rotor. This can lead to excessive heat, premature wear of brake components, and reduced braking efficiency.
- Brake Vibration and Noise: A malfunctioning axle spindle can cause vibrations and noise during braking. For example, if the spindle is bent or warped, it can create an uneven surface for the brake rotor. As a result, when the brake pads come into contact with the rotor, it can cause vibrations, squealing, or grinding noises. These symptoms indicate a compromised braking performance and the need for axle spindle inspection and repair.
- Wheel Bearing Damage: The axle spindle is closely connected to the wheel bearing assembly. If the spindle is damaged or improperly aligned, it can put excessive stress on the wheel bearing, leading to its premature wear or failure. A worn or damaged wheel bearing can introduce additional friction, affect wheel rotation, and potentially cause overheating of the brake components.
- Brake Fluid Leakage: In certain cases, a malfunctioning axle spindle can result in damage to the brake lines or connections. For example, if the spindle is severely damaged due to an accident or collision, it can cause brake fluid leakage. Brake fluid leakage compromises the hydraulic pressure in the brake system, leading to reduced braking performance or a complete brake failure.
It’s important to note that the specific brake-related issues resulting from a malfunctioning axle spindle can vary depending on the extent and nature of the spindle’s malfunction. Regular inspection and maintenance of the axle spindle, along with the brake system, are essential to identify any potential issues early and prevent further damage.
If you experience any brake-related symptoms or suspect a malfunctioning axle spindle, it is crucial to have the vehicle inspected by a qualified mechanic or technician. They can assess the condition of the axle spindle, perform necessary repairs or replacements, and ensure the proper functioning of the brake system for safe driving.
In summary, a malfunctioning axle spindle can lead to various brake-related issues, including uneven brake pad wear, brake caliper misalignment, brake vibration and noise, wheel bearing damage, and brake fluid leakage. Regular inspection and maintenance of the axle spindle and brake system are essential to prevent these issues and maintain optimal braking performance.
Can a damaged axle spindle lead to safety concerns, and how urgent is the need for repair?
Yes, a damaged axle spindle can indeed lead to safety concerns, and the need for repair is typically urgent. The axle spindle is a critical component of a vehicle’s suspension system and is responsible for supporting the weight of the vehicle and transmitting driving forces to the wheels. Here’s why a damaged axle spindle poses safety risks and requires prompt repair:
- 1. Steering Control: An axle spindle connects to the steering components and wheel hubs. Damage to the spindle can result in reduced steering control, making it challenging to maneuver the vehicle safely, especially in emergency situations.
- 2. Wheel Stability: The spindle supports the vehicle’s wheels. If the spindle is damaged, it can lead to wheel instability, wobbling, or even detachment. This poses a severe risk of accidents, especially at higher speeds.
- 3. Braking Performance: A damaged spindle can affect the alignment and performance of the braking system. This may result in uneven braking, longer stopping distances, or a loss of braking effectiveness, compromising safety during braking maneuvers.
- 4. Suspension Integrity: The axle spindle is a key structural component of the suspension system. A damaged spindle can weaken the overall suspension integrity, potentially leading to loss of control, swaying, or erratic handling.
- 5. Risk of Collisions: A vehicle with a damaged axle spindle may become unpredictable and pose a risk of colliding with other vehicles, obstacles, or pedestrians due to compromised stability and handling.
- 6. Towing and Hauling Risks: For vehicles used for towing or hauling heavy loads, a damaged spindle can lead to catastrophic failures when subjected to increased stress. This can result in accidents or loss of cargo.
- 7. Uneven Tire Wear: Axle spindle damage can cause uneven tire wear, reducing the tires’ grip and compromising traction, especially in adverse road conditions.
Given the critical role of the axle spindle in vehicle safety, any signs of damage or wear should be taken seriously, and repairs should be prioritized. Immediate inspection by a qualified mechanic is essential if you suspect spindle damage. Delaying repairs can lead to worsened safety risks, increased repair costs, and potential accidents. Regular vehicle maintenance and inspection can help detect spindle issues early and prevent safety concerns.
Can a DIY enthusiast replace a damaged axle spindle, and what are the steps involved?
Replacing a damaged axle spindle is a complex mechanical task that requires advanced knowledge and specialized tools. It is generally recommended to seek the assistance of a professional mechanic or technician for such a repair. However, if you have the necessary expertise, experience, and access to the appropriate tools, it may be possible for a skilled DIY enthusiast to replace a damaged axle spindle. Here are the general steps involved in replacing an axle spindle:
Note: The following steps provide a general outline of the process, but it’s important to consult the specific repair manual for your vehicle and follow the manufacturer’s instructions.
- Preparation: Begin by ensuring that you have the correct replacement axle spindle that matches the specifications of your vehicle. Gather all the necessary tools and equipment required for the job, including a hydraulic jack, jack stands, socket set, wrenches, pry bar, torque wrench, and any specialized tools mentioned in the repair manual.
- Vehicle Preparation: Park the vehicle on a level surface and engage the parking brake. If the axle spindle to be replaced is on the front axle, turn the steering wheel to the straight-ahead position. If it’s on the rear axle, chock the front wheels to prevent the vehicle from rolling.
- Suspension Disassembly: Depending on the vehicle’s design, you may need to remove certain components to access the axle spindle. This can include removing the wheel, brake caliper, brake rotor or drum, tie rod ends, ball joints, axle shafts, and any other components obstructing the spindle’s removal. Follow the repair manual instructions for proper disassembly.
- Axle Spindle Removal: Once the suspension components are removed, you can proceed with removing the damaged axle spindle. This typically involves disconnecting any remaining attachments, such as mounting bolts or fasteners, and carefully maneuvering the spindle out of its housing. Take care not to damage surrounding components or disturb other parts of the suspension system.
- Axle Spindle Installation: Install the replacement axle spindle by following the reverse order of the removal steps. Carefully position the spindle back into its housing, ensuring proper alignment. Reattach any fasteners or mounting bolts according to the specified torque values. Take care to follow the manufacturer’s instructions for any specific procedures or considerations during installation.
- Suspension Reassembly: Reinstall all the components that were removed during the disassembly process, including brake calipers, rotors or drums, tie rod ends, ball joints, axle shafts, and any other relevant parts. Ensure that all connections are secure and torqued to the specified values.
- Final Checks: Double-check all the connections, fasteners, and components to ensure everything is properly reassembled. Confirm that the axle spindle is securely in place and aligned correctly. Before lowering the vehicle, perform a thorough inspection of the suspension system to ensure there are no loose or forgotten components.
- Testing and Alignment: Once the replacement axle spindle is installed, it’s important to have the vehicle’s alignment checked and adjusted by a professional. Improper alignment can lead to uneven tire wear, handling issues, and compromised safety. Schedule a visit to an alignment specialist to ensure the vehicle’s alignment is within the recommended specifications.
It’s crucial to note that replacing an axle spindle involves working with critical components of the vehicle’s suspension and steering systems. Misinstallation or improper assembly can lead to severe safety risks and further damage to the vehicle. If you are unsure or lack the experience and expertise, it is strongly recommended to entrust the task to a qualified professional mechanic or technician.
In summary, while a skilled DIY enthusiast may be able to replace a damaged axle spindle, it is a complex task that requires advanced knowledge, experience, and specialized tools. It’s important to follow the manufacturer’s instructions, consult the repair manual for your specific vehicle, and exercise caution throughout the process. If in doubt, it’s best to seek professional assistance to ensure the job is done safely and correctly.
editor by CX 2024-02-15