Product Description

The products shown here is only to present the scope of our business activities. We can manufacture no standard parts according to your drawing or sample.

Junya OEM Heavy Duty Stainless Steel Investment Casting Rope Pulley For Industrial Purpose 

 

Advantages of Stainless Steel Casting

  • Sizes: 0.1 in to 24 in
  • Weights: a few grams to more than 50 pounds
  • Surface: very smooth finish
  • Tight tolerances
  • Reliable process controls and repeatability
  • Design and casting versatility
  • Efficient production
  • Affordable tooling
  • Material variety

 

Investment Casting vs. Die Casting

Investment casting has significantly cheaper tooling and is a more cost-effective option for lower quantity production runs. Additional benefits include a larger alloy selection and the ability to cast larger pieces.

Investment Casting vs. Sand Casting

Investment casting provides a better surface finish and allows for greater design flexibility including the ability to cast thinner walls, create tighter tolerances and create more intricate coring.

Investment Casting vs. Machining

Investment casting can significantly reduce the cost and lower the production time per piece. This is accomplished by producing near net shape parts, while greatly reducing the amount of material waste. In some instances, multiple fabricated parts can be produced as a single casting.
 

Casting Detail

 

Application
 

*Application for all parts we are CZPT to provide

 

Our Inspection Equipment:

Direct-reading spectrograph,metallographic microscope,hardness tester,brinell hardness tester,thermometric indicator,universal testing machine,carbon and silicon analysis meter,magnetic powder flaw detector,digital ultrasonic flaw detector etc.

Our Service:

1.Your inquiry related to our products or prices will be replied in 12 hours.
2.Individual formula according to customers’ special drawing requests.
3.Manufacturer with large capacity,ensures the fast production cycle after
confirming the order.
4.Protection of sales area and private information for all of our customers.

Quality Control:

We have a full set of quality control system to guarantee best product quality. Depending on the products, we can make different Item Testing Plan, Manufacturing procedure etc.
Raw material control
Chemistry spectrum analysis
Mechanical property
Metallographic analysis
Ultrasonic testing
Magnetic testing
Radiographic testing
Dimension inspection
Visual inspection
Penetrant testing
Leak testing
Hardness test
Micro-structure tester after heat treatment

*Our wax casting product processed by 79 steps with high standard and 100% inspection. Along with the power of our advanced machine, quality is something you do not need to worry about. 

ZheJiang CZPT Precision Machinery Co. Ltd is a high-tech enterprise combine designing, tooling developing, casting, machining, surface treatment, inspection, sales and service all together.  Founded in 2017, located in HangZhou, ZheJiang . CZPT now covers an area of more than 5000 square meters.

With a massive research & development environment, CZPT utilized market-leading technology and introduced various of advanced equipment to ensure the stringent  quality in production. 

Under a powerful management team, the company has growing to the group with more than 100 employees. Product offerings range from Stainless Steel Pipe Fitting, Quick Joint, Ball Valve, Check Valve, to Marine Hardware and Auto Parts. The material are 304, 304L, 316, 316L, SF8M, WCB, 1.4408, etc.

-Quality- -Creativity- -Consistency-
These words are CZPT slogan, and also philosophy that drives the company to offer the superior service you are looking for.

*More detail of the factory can be shared in the reply to your inquiry. Photos and videos of the factory and products is available. Free sample can be provided as well.

1) Design assistance and full engineering support .
2) Professional at OEM & ODM parts .
3) Excellent after sales service. 
4) Advanced machine tools, CAD/CAM programming software.  
5) Prototype machining capabilities.
6) Strict quality control standards with a highly qualified inspection department .  
7) Continually upgrading and advancing our equipment to remain competitive .

8) Small quality is also available. 

FAQ:

Q1: How long is your delivery time? 
A:Delivery time is depends on the total quantity of order. Normally, sample can be delivered within 15 days. 

Q2: Do you provide samples? Is it free or extra?
A:Yes, we could offer sample for free, and we can pay for the model as well, but the clients has to pay for the shipping cost.

Q3: What is the MOQ of your products?
A:It depends on the category of order.

Q4: Where is your factory?
A:Our factory located in ZheJiang province, close to ZheJiang seaport.

Q5:What does your company need to submit a quotation?
A:Drawing or Sample, together with relevant information, such as Quantity, Weight, Material.

Q6:What if we do not have a drawing?
A:We can duplicate your sample and make drawing for your confirmation. 

 

 

Name OEM stainless steel investment casting parts Material
Material 304,306 ,2205stainless steel etc,
Designs 1.As per the customer’s drawings
2.As per the customer’s samples
Surface treatment 1. mirror polish
2. passivation
Service OEM service available
Products All kinds of stainless steel casting: include pipe fitting, ball valve, automotive parts,railroad parts, medical parts, marine parts, lighting parts,pump body, 
valve parts, architectural parts and furniture parts so on
Advantage 1. More than 10 years experience in stainless steel casting;
2. Near Tianjin Port and Tianjin Airport;
3. We provide: OEM stainless steel lost wax castings and OEM machining services for stainless steel lost wax castings. We have: CNC Machining, CNC turning, CNC Milling, 3D CMM Inspection and CNC Optical Inspection. We believe: on time, stable quality, just price, client confidentiality.
4. With samples and order: We can offer dimension report,material certification.
Inspection: 1.Dimension report
2.Material certification
Packing: Export carton and fumigation wooden pall

###

Mainly Material
stainless steel, carbon steel, steel, aluminium, brass, bronze, copper
Process
investment casting, lost wax casting, silica sol casting. water glass casting, die casting
Casting tolerance
CT4-CT6 (GB/T 6414),CT7-CT9 (GB/T 6414)
Standard
AISI, ANSI, ASTM, JIS, GB, ISO, DIN
Certificate
TS16949,SGS, ISO, or as your requirement to do test by the third party
Machining
tapping, milling, grinding, drilling, cnc machining
Tolerance
+/-0.02mm or as drawing requirement
Surface treatment
polishing,mirror polishing, electrogalvanizing, sandblasting, shot blasting 
Heat treatment
quchenging and tempering, annealing, normalizing
Casting Roughness
Ra 1.6-Ra12.5

###

• Agricultural equipment
• Armament
• Automobile industry
• Computing equipment
• Medical / dental instruments
• Measuring instruments
• Miscellaneous equipment
• Pharmaceutical industry
• Orthopedic implants
• Safety equipment
• Petrochemical industry
• Industrial valves
•Fixing and movable equipment
• Sanitary fittings
• General machinery
• Pumps and general connections
• Food and beverage processing
• Instrumentation equipment
• Pharmaceutical industry
• Textile equipment
Name OEM stainless steel investment casting parts Material
Material 304,306 ,2205stainless steel etc,
Designs 1.As per the customer’s drawings
2.As per the customer’s samples
Surface treatment 1. mirror polish
2. passivation
Service OEM service available
Products All kinds of stainless steel casting: include pipe fitting, ball valve, automotive parts,railroad parts, medical parts, marine parts, lighting parts,pump body, 
valve parts, architectural parts and furniture parts so on
Advantage 1. More than 10 years experience in stainless steel casting;
2. Near Tianjin Port and Tianjin Airport;
3. We provide: OEM stainless steel lost wax castings and OEM machining services for stainless steel lost wax castings. We have: CNC Machining, CNC turning, CNC Milling, 3D CMM Inspection and CNC Optical Inspection. We believe: on time, stable quality, just price, client confidentiality.
4. With samples and order: We can offer dimension report,material certification.
Inspection: 1.Dimension report
2.Material certification
Packing: Export carton and fumigation wooden pall

###

Mainly Material
stainless steel, carbon steel, steel, aluminium, brass, bronze, copper
Process
investment casting, lost wax casting, silica sol casting. water glass casting, die casting
Casting tolerance
CT4-CT6 (GB/T 6414),CT7-CT9 (GB/T 6414)
Standard
AISI, ANSI, ASTM, JIS, GB, ISO, DIN
Certificate
TS16949,SGS, ISO, or as your requirement to do test by the third party
Machining
tapping, milling, grinding, drilling, cnc machining
Tolerance
+/-0.02mm or as drawing requirement
Surface treatment
polishing,mirror polishing, electrogalvanizing, sandblasting, shot blasting 
Heat treatment
quchenging and tempering, annealing, normalizing
Casting Roughness
Ra 1.6-Ra12.5

###

• Agricultural equipment
• Armament
• Automobile industry
• Computing equipment
• Medical / dental instruments
• Measuring instruments
• Miscellaneous equipment
• Pharmaceutical industry
• Orthopedic implants
• Safety equipment
• Petrochemical industry
• Industrial valves
•Fixing and movable equipment
• Sanitary fittings
• General machinery
• Pumps and general connections
• Food and beverage processing
• Instrumentation equipment
• Pharmaceutical industry
• Textile equipment

Calculate the ideal mechanical advantage of pulleys

The basic equations for pulleys can be found in this article. It will also cover the different types of pulleys, the ideal mechanical advantages of pulleys, and some common uses of pulley systems. Read on to learn more! After all, a pulley is a simple mechanical device that changes the direction of a force. Learn more about pulleys and their common uses in engineering.
pulley

pulley basic equation

Pulleys work the same way as gravity, so they should withstand similar forces. Newton’s laws of motion can be used to calculate the forces in a pulley system. The second law of motion applies to forces and accelerations. Similar to this is Newton’s third law, which states that the directions of forces are equal and opposite. The fourth law dictates the direction of force. The Fifth Law states that tension is in equilibrium with gravity.
A pulley is a simple mechanism that transmits force by changing direction. They are generally considered to have negligible mass and friction, but this is only an approximation. Pulleys have different uses, from sailboats to farms and large construction cranes. In fact, they are the most versatile mechanisms in any system. Some of their most common applications and equations are listed below.
For example, consider two masses m. Those of mass m will be connected by pulleys. The static friction coefficient of the left stop is ms1, and the static friction coefficient of the right stop is ms2. A no-slip equation will contain multiple inequalities. If the two blocks are considered to be connected by a pulley, the coefficient of kinetic friction is mk. In other words, the weight of each block carries the same mass, but in the opposite direction.

Types of pulleys

A pulley is a device used to pull and push objects. Pulley systems are ropes, cables, belts or chains. The “drive pulley” is attached to the shaft and moves the driven pulley. They are available in a variety of sizes, and the larger they are, the higher the speed of power transmission. Alternatively, use small pulleys for smaller applications.
Two-wheel pulleys have two mechanical advantages. The greater the mechanical advantage, the less force is required to move the object. More wheels lift more weight, but smaller pulleys require less force. In a two-wheel pulley system, the rope is wound around two axles and a fixed surface. As you pull on the rope, the shafts above slowly come together.
Compound pulleys have two or more rope segments that are pulled up on the load. The mechanical advantage of compound pulleys depends on the number of rope segments and how they are arranged. This type of pulley can increase the force by changing the direction of the rope segment. There are two main types of pulleys. Composite pulleys are most commonly used in construction. The ideal mechanical advantage of pulleys is 2 or more.
Construction pulleys are a basic type. They are usually attached to wheel rails and can be lifted to great heights. Combinations of axes are also common. Construction pulleys can be raised to great heights to access materials or equipment. When used in construction, these pulleys are usually made of heavy materials such as wood or metal. They are secured with ropes or chains.

The ideal mechanical advantage of pulleys

The pulley system is a highly complex system with high mechanical advantages. Use a single pulley system to reduce the force required to lift an object by cutting it in half. The mechanical advantage increases as you add more pulleys, such as six or seven. To calculate the mechanical advantage of a pulley system, you need to count the number of rope segments between the pulleys. If the free end of the rope is facing down, don’t count it. If it’s facing up, count. Once you have your number, add it up.
The required mechanical advantage of a pulley is the number of rope segments it has to pull the load. The more rope segments, the lower the force. Therefore, the more rope segments the pulley has, the lower the force. If the rope segments are four, then the ideal mechanical advantage is four. In this case, the composite pulley quadrupled the load force.
The ideal mechanical advantage of a pulley system is the sum of the mechanical force and the force required to lift the load at its output. Typically, a single pulley system uses two ropes, and the mechanical force required to lift the load is multiplied by the two ropes. For a multi-pulley system, the number of ropes will vary, but the total energy requirement will remain the same. The friction between the rope and pulley increases the force and energy required to lift the load, so the mechanical advantage diminishes over time.
pulley

Common uses of pulley systems

A pulley system is a simple mechanical device typically used to lift heavy objects. It consists of a rotating wheel attached to a fixed shaft and a rope attached to it. When the wheel moves, the force applied by the operator is multiplied by the speed of the pulley, and the force is multiplied by the weight of the object being lifted. Common uses for pulley systems include pulling, lifting, and moving heavy objects.
The oil and petroleum industries use pulley systems in a variety of applications. Most commonly, pulleys are used in drilling operations and they are installed on top of the rig to guide the cable. The cable itself is attached to two pulleys suspended in the derrick, where they provide mechanical energy to the cable. Using a pulley system in this application provides the force needed to move the cable safely and smoothly.
The main advantage of the pulley system is that it minimizes the force required to lift an object. The force used to lift the object is multiplied by the desired mechanical advantage. The more rope segments, the lower the force required. On the other hand, a compound pulley system can have many segments. Therefore, a compound pulley system can increase the force a worker can exert on an object.
Safety Precautions to Take When Working on Pulley Systems

There are many safety precautions that should be observed when working on a pulley system. The first is to wear proper protective gear. This includes hard hats that protect you from falling objects. Also, gloves may be required. You should limit the amount of movement in the penalty area, and you should also keep the area free of unnecessary people and objects. Also, remember to wear a hard hat when working on the pulley system.
Another important safety precaution when working on a pulley system is to check the Safe Working Load (SWL) of the pulley before attaching anything. This will help you understand the maximum weight the pulley can hold. Also, consider the angle and height of the pulley system. Always use safety anchors and always remember to wear a hat when working on a pulley system.
Safe use of chain hoists requires training and experience. It is important to read the manufacturer’s manual and follow all safety precautions. If you’re not sure, you can actually inspect the hoist and look for signs of damage or tampering. Look for certifications for sprocket sets and other lifting accessories. Look for the Safe Working Load (SWL) marking on the chain hoist.
pulley

Example of a pulley system

Pulley systems are often used to lift items. It allows you to reduce the effort to lift and move the load by applying force in one direction. Pulley systems can be built and modeled to fit any type of project. This resource focuses on pulley systems and is designed to support the new GCSEs in Engineering, Design and Technology. There are also many examples of pulley systems suitable for various applications.
In the study, participants who read easy text took longer to manipulate the pulley system than those who read challenging text. In general, this suggests that participants with prior scientific experience used their cognitive abilities more effectively. Additionally, students who read simple texts spent less time planning the pulley system and more time on other tasks. However, the study did show that the time required to plan the pulley system was similar between the two groups.
In everyday life, pulley systems are used to lift various objects. Flagpoles are one of many pulley systems used to raise and lower flagpoles. They can also be used to raise and lower garage doors. Likewise, rock climbers use pulleys to help them ascend and descend. The pulley system can also be used to extend the ladder.