Product Description
1
Products
Name: Made in china hot die forging alloy steel agricultural machinery parts rear axle wheel hub
Material: 40CrMo
Weight: From .2kg-10kg
Packing: standard export packing
Min order: 100pcs
Customized production is available as your drawings or sample.
Process | Die Forging | |
Material | Stainless Steel, Carbon Steel, Alloy Steel | |
Weight | 0.1Kg~20Kg | |
Heat Treatment | Quenching, Annealing,Tempering,Normalizing, Quenching and Tempering | |
Testing instrument | composition testing | Spectrometer, Metallographic microscope |
Performance testing | Hardness tester, Tensile testing machine | |
Size Measuring | CMM,Micrometer, Vernier Caliper, Depth Caliper, feeler gauge | |
Thread Gauge , Height Gauge | ||
Roughness | Ra1.6~Ra6.3 | |
Machining Equipment | CNC Center , CNC Machines, Turning, Drilling, Milling, boring machine,Grinding Machines, | |
Wire EDM,Laser Cutting&Welding, Plasma Cutting &Welding, EDM etc. | ||
Quality control | Sampling inspection of raw materials and semi-finished products, 100% Inspection of finished products | |
Surface Treatment | Shot Blast , Powder Coating, Polishing, Galvanized , Chrome Plated | |
Production Capacity | 60000T / Years | |
Lead Time | Normally 30 – 45 Days. | |
Payment Terms | T/T , L/C | |
Material Standard | ASTM , AISI , DIN , BS, JIS, GB, | |
Certification | ISO9001:2008, IATF16949:2016 |
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Products Quality Control
Quality control involve the inspection and control of incoming materials, production processes, and finished products.
The quality control process includes,
1 First of all, the incoming raw materials with random sampling are analyzed by metallographic microscope to ensure that the chemical composition meets the production requirements
2 Then In the production process, there are QC staffs timely sampling ensure that the products are free of defects in the manufacturing process, and to coordinate and handle any abnormal quality issues may be occurred.
3 The final step of production process is magnetic particle flaw detector of the metal parts to detect it’s hidden crack or other defects.
4 All the finished metal parts is sampled in proportion and sent to the laboratory for various mechanical performance tests and size measurement, and the surface quality is manually 100% inspected.
The relevant testing equipment pictures are as following:
3
Quality Management System Control:
We strictly carry out system management accordance with iso9001 and ts16949 quality standards. And 5S lean production management is implemented on the production site.
The production management site as following:
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Our Advantages:
1 We have a complete production process and equipment research and development capabilities for non-ferrous metal forming. Over 25 years of production experience of forging equipment and casting equipment make us own deep level understanding and operating of all equipments’ performance and running.
2 Our parent company, HiHangZhou Group, is a world-renowned high-end machinery manufacturing enterprise with more than 30 domestic subsidiaries and branches. The sales volume of 4 products ranks No1 nationwide and even worldwide, providing us with a strong technical and financial support.
3 One-third of over 300 staff are technical technical R&D members, ensuring the continuous technical innovation and the sustainable development of our company.
4 Our company implements the employee stock ownership system of company shares Increasing members’ sense of responsibility, creativity and work motivation.
5 The company is a model enterprise in the region of low-carbon environmental protection, and energy saving and emission reduction in reduction.
6 Unique company culture, and the regular rotation of individual work position give full play to the potential of talents and provide strong vitality for the development of the company.
7 Our Service:
A. Customized and Standard Manufacturing Service
B. A variety of Manufacturing Process Integration
C. Quality and Delivery Time Guaranteed
D. Effective Communication Ability
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Company Culture
Our Vision
To become 1 of the leading companies
Our Mission
To become a platform for employees to realize their dream
To become 1 of the transforming and upgrading pacemaker of Chinese enterprises
To set the national brands with pride
Our Belief
Strive to build the company into an ideal platform for entrepreneurs to realize their self-worth and contribute to the society
Values
Improvement is innovation, everyone can innovate
innovation inspired and failures tolerated
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FAQ
1.
Q: Are you a trading company or a manufacturer?
A: Obviously we are a manufacturer of forging products, casting products and also have a high level of machining capabilities.
2.
Q: What series products do your have?
A: We are mainly engaged in forming processing of non-ferrous metals, including processing by casting , forging and machining. As you know, such machinery parts can be observed in various industries of equipment manufacturing.
3
Q: Do you provide samples? is it free?
A: Yes, we commonly provide samples according to the traditional practice, but we also need customers to provide a freight pay-by-account number to show mutual sincerity of cooperation.
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Q: Is OEM available?
A: Yes, OEM is available.
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Q: What’s your quality guarantee?
A: We insist that the survival of the company should depend on the products quality continuous improvement, without which we cannot survive for long. We carry out strictly product quality control for every process from incoming materials, production process to finished products via advanced detection instrument and equipment. We also invite independent third parties to certify our quality and management systems. Till now we have passed ISO/TS16949 and SGS certification .
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Q. How about the Packing?
A: We usually use the iron box, or wooden case, also it can be customized according to customer’s demands.
7
Q: What is your minimum order quantity?
A: Yes, we require all international orders to have an minimum order quantity. The quantity is up to the exact products feature or property such as the material, weight, construction etc.
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Q: What is the lead time?
A: Generally our forging products and casting products need to make new dies or molds, the time of making new dies or molds and samples within 30-45 days, and the large batch production time within 30-45 days. it’s also according to the parts structural complexity and quantity.
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Q: What kinds of payment methods do you accept?
A: You can make the payment by T/T or L/C. 30% deposit in advance, 70% balance against the copy of B/L.
What Is a Worm Gear Reducer?
If you have never seen a worm gear reducer before, you’re missing out! Learn more about these incredible gears and their applications by reading this article! In addition to worm gear reducers, learn about worms and how they’re made. You’ll also discover what types of machines can benefit from worm gears, such as rock crushers and elevators. The following information will help you understand what a worm gear reducer is and how to find 1 in your area.
Typical worm shaft
A typical worm has 2 shafts, 1 for advancing and 1 for receding, which form the axial pitch of the gear. Usually, there are 8 standard axial pitches, which establish a basic dimension for worm production and inspection. The axial pitch of the worm equals the circular pitch of the gear in the central plane and the master lead cam’s radial pitch. A single set of change gears and 1 master lead cam are used to produce each size of worm.
Worm gear is commonly used to manufacture a worm shaft. It is a reliable and efficient gear reduction system that does not move when the power is removed. Typical worm gears come in standard sizes as well as assisted systems. Manufacturers can be found online. Listed below are some common materials for worm gears. There are also many options for lubrication. The worm gear is typically made from case hardened steel or bronze. Non-metallic materials are also used in light-duty applications.
A self-locking worm gear prevents the worm from moving backwards. Typical worm gears are generally self-locking when the lead angle is less than 11 degrees. However, this feature can be detrimental to systems that require reverse sensitivity. If the lead angle is less than 4 degrees, back-driving is unlikely. However, if fail-safe protection is a prerequisite, back-driving worm gears must have a positive brake to avoid reverse movement.
Worm gears are often used in transmission applications. They are a more efficient way to reduce the speed of a machine compared to conventional gear sets. Their reduced speed is possible thanks to their low ratio and few components. Unlike conventional gear sets, worm gears require less maintenance and lower mechanical failure than a conventional gear set. While they require fewer parts, worm gears are also more durable than conventional gear sets.
There are 2 types of worm tooth forms. Convex and involute helicoids have different types of teeth. The former uses a straight line to intersect the involute worm generating line. The latter, on the other hand, uses a trapezoid based on the central cross section of the root. Both of these tooth forms are used in the production of worms. And they have various variations in pitch diameter.
Types of worms
Worms have several forms of tooth. For convenience in production, a trapezoid-based tooth form is used. Other forms include an involute helicoidal or a convolute worm generating a line. The following is a description of each type. All types are similar, and some may be preferred over others. Listed below are the 3 most common worm shaft types. Each type has its own advantages and disadvantages.
Discrete versus parallel axis: The design of a worm gear determines its ratio of torque. It’s a combination of 2 different metals – 1 for the worm and 1 for the wheel – which helps it absorb shock loads. Construction equipment and off-road vehicles typically require varying torques to maneuver over different terrain. A worm gear system can help them maneuver over uneven terrain without causing excessive wear.
Worm gear units have the highest ratio. The sliding action of the worm shaft results in a high self-locking torque. Depending on the angle of inclination and friction, a worm gear can reach up to 100:1! Worm gears can be made of different materials depending on their inclination and friction angle. Worm gears are also useful for gear reduction applications, such as lubrication or grinding. However, you should consider that heavier gears tend to be harder to reverse than lighter ones.
Metal alloy: Stainless steel, brass, and aluminum bronze are common materials for worm gears. All 3 types have unique advantages. A bronze worm gear is typically composed of a combination of copper, zinc, and tin. A bronze shaft is more corrosive than a brass one, but it is a durable and corrosion-resistant option. Metal alloys: These materials are used for both the worm wheel.
The efficiency of worm gears depends on the assembly conditions and the lubricant. A 30:1 ratio reduces the efficiency to 81:1%. A worm gear is more efficient at higher ratios than an helical gear, but a 30:1 ratio reduces the efficiency to 81%. A helical gear reduces speed while preserving torque to around 15% of the original speed. The difference in efficiency between worm gear and helical gear is about half an hour!
Methods of manufacturing worm shafts
Several methods of manufacturing worm shafts are available in the market. Single-pointed lathe tools or end mills are the most popular methods for manufacturing worms. These tools are capable of producing worms with different pressure angles depending on their diameter, the depth of thread, and the grinding wheel’s diameter. The diagram below shows how different pressure angles influence the profile of worms manufactured using different cutting tools.
The method for making worm shafts involves the process of establishing the proper outer diameter of a common worm shaft blank. This may include considering the number of reduction ratios in a family, the distance between the worm shaft and the gear set center, as well as the torques involved. These processes are also referred to as ‘thread assembly’. Each process can be further refined if the desired axial pitch can be achieved.
The axial pitch of a worm must match the circular pitch of the larger gear. This is called the pitch. The pitch diameter and axial pitch must be equal. Worms can be left-handed or right-handed. The lead, which refers to the distance a point on the thread travels during 1 revolution of the worm, is defined by its angle of tangent to the helix on the pitch of the cylinder.
Worm shafts are commonly manufactured using a worm gear. Worm gears can be used in different applications because they offer fine adjustment and high gear reduction. They can be made in both standard sizes and assisted systems. Worm shaft manufacturers can be found online. Alternatively, you can contact a manufacturer directly to get your worm gears manufactured. The process will take only a few minutes. If you are looking for a manufacturer of worm gears, you can browse a directory.
Worm gears are made with hardened metal. The worm wheel and gear are yellow in color. A compounded oil with rust and oxidation inhibitors is also used to make worm gears. These oils adhere to the shaft walls and make a protective barrier between the surfaces. If the compounded oil is applied correctly, the worm gear will reduce the noise in a motor, resulting in a smoother performance.
applications for worm gear reducers
Worm gears are widely used in power transmission applications, providing a compact, high reduction, low-speed drive. To determine the torque ratio of worm gears, a numerical model was developed that makes use of the equation of displacement compatibility and the influence coefficient method, which provides fast computing. The numerical model also incorporates bending deflections of the gear surfaces and the mating surfaces. It is based on the Boussinesq theory, which calculates local contact deformations.
Worm gears can be designed to be right or left-handed, and the worm can turn either clockwise or counter-clockwise. An internal helical gear requires the same hand to operate both parts. In contrast, an external helical gear must be operated by the opposite hand. The same principle applies to worm gears in other applications. The torque and power transferred can be large, but worm gears are able to cope with large reductions in both directions.
Worm gears are extremely useful in industrial machinery designs. They reduce noise levels, save space, and give machines extra precision and fast-stopping capabilities. Worm gears are also available in compact versions, making them ideal for hoisting applications. This type of gear reducer is used in industrial settings where space is an issue. Its smaller size and less noise makes it ideal for applications that need the machine to stop quickly.
A double-throated worm gear offers the highest load capacity while still remaining compact. The double-throated version features concave teeth on both worm and gear, doubling the contact area between them. Worm gears are also useful for low to moderate-horsepower applications, and their high ratios, high output torque, and significant speed reduction make them a desirable choice for many applications. Worm gears are also quieter than other types of gears, reducing the noise and vibrations that they cause.
Worm gears have numerous advantages over other types of gears. They have high levels of conformity and can be classified as a screw pair within a lower-pair gear family. Worm gears are also known to have a high degree of relative sliding. Worm gears are often made of hardened steel or phosphor-bronze, which provides good surface finish and rigid positioning. Worm gears are lubricated with special lubricants that contain surface-active additives. Worm gear lubrication is a mixed lubrication process and causes mild wear and tear.