Product Description

High Precision Manufacturing CNC metal machining service Aluminium mlling Tractor Spare Parts

1.Product Parameter

Factory:	Custom 3 4 5 Axis CNC Machining Milling Service CNC Machined Parts Aluninum Stainless Meatl Parts
Production Description	High Precision Manufacturing CNC metal machining service Aluminium mlling Tractor Spare Parts
Processing	Machining, Turning, Milling, Grinding, Wire-EDM,Fabrication service etc.
Material for CNC Machining processing	1) Aluminum – AL 6061-T6, 6063, 7075-T,5083,6063,6082,5052,2A12 etc.
	2) Stainless steel – SS 201,SS301 SS303,SS304,SS316L, SS416L,17-4(SUS630),440C, 430 etc.
	3) Steel – 4140,4340,Q235, Q345B,20#,Cr12MoV,D2,A2,4140,4150,P20,S136,M2,O2, SKD11,CRS, etc.
	4) Titanium – TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc.
	5) Brass – C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90) etc.
	6) Copper – bronze,Phosphor Bronze, Magnesium alloy,  etc.
	7) Plastic – Peek, Nylon, G-10, Acrylic,Anti-Static Acetal Tan (Tecaform SD) , PC,ABS, etc.
	8) Food class ,Medical class- such as POM, Delrin, etc.
	9) Aerospace class – PEI+30%GF,PEEK+30%GF,PC+30%GF,PU,PTFE,PE,PVC etc.
	10) Rollyu Precision handles many other type of materials, please kindly contact us if your required material is not listed above.
Finish	For Aluminum parts – Clear anodized, Color anodized, Hard anodized, Sandblasting, Chemical film, Brushing, Polishing, Painting, Silk screen printing,Etching,  Laser marking, etc.
	For Stainless steel parts  – Polishing, Passivation,PVD, Sandblasting, Black oxide, Electrophoresis black, Painting, Silk screen printing,Etching,  Laser marking, etc.
	For Steel parts – Polishing, Black oxide, Nickel /Zinc/Gold/ Chrome/Silver plating, Carburized, Powder coating,electrophoresis, QPQ(Quench-Polish-Quench), Heat treatment, Painting, Silk screen printing,Etching,  Laser marking, etc. etc.
	For Brass parts – Nickel /Zinc/Gold/ Chrome/Silver/Titanium plating, Electrophoresis black, Powder coating,Painting, Silk screen printing,Etching,  Laser marking, etc.
	For Plastic parts – Plating (ABS), Brushing (Acylic),Painting, Silk screen printing,Etching,  Laser marking, etc.
	HangZhou Hongrunshuo Precision handles many other type of finish, please kindly contact us if your required finish is not listed above.
Tolerance	Minimum tolerance +/- 0.05mm (+/- 0.0005″)
Surface roughness	Ra 0.1~3.2
Drawing format	Pro-e/UG/PDF/DWG/DXF/Solidworks, etc.
Testing equipment	CMM (Coordinate Measuring Machine),Height gauge, Caliper,  Hardness tester, Roughness tester, Projector machine, Pin/Angle/Block/Plug/Thickness/Thread/Radius  gauge,etc.
MOQ	1 piece
Lead time	2 weeks after received order.
Certificate	ISO9001, ISO13485.
Inspection processing	IQC,IPQC, FQC, QA.
Capacity	CNC turning work range: φ0.5mm-φ650mm*600mm.
	CNC milling work range: 880mm*1300mm*600mm.
Application	Automation, Medical device, Consumer Electronics, Security, IoT, Energy, etc.

2. Who we are ?

3.  Our Equipments

4.  Strict  Quality Control Flow

5.  More Products

6.  Package & Shipment

7. FAQ

Q1: Are you a trading company or a factory ?
A1: We are a manufacturer specialized in precision parts OEM&ODM, Machining parts, Plastic parts, Silicone and rubber parts, Heat sink, sheet metal fabrication as well as Sub-assembly.

Q2: Do you accept to manufacture the customized products based on our design?
A2: Yes, we are a professional factory with an experienced engineering team, would like to provide the OEM service.

Q3: How can I get the quotation?
A3: We will offer you the quotation within 24 working hours after receiving your detailed information. In order to quote you faster and more accurate, please provide us the following information together with your inquiry:
1) CAD or 3D Drawings
2) Tolerance.
3) Material requirement
4) Surface treatment
5) Quantity (per order/per month/annual)
6) Any special demands or requirements, such as packing, labels, delivery,etc.

Q4: Will my drawings be safe after sending to you?
A4: Sure, we will keep them well and not release to others without your permission.

Q5: How long is the lead-time for a mold and plastic parts, machining parts, sheet metal fabrication?
A5: It all depends on the mold (parts) size and complexity.
Normally, the lead time is 18-20 days for molds, 15-20 days for plastic parts. If the molds are very simple and not big, we can work out within 15 days.
The lead time for machining parts is around 2-4 weeks.
For sheet metal fabrication the lead time is around 3-5 weeks.

Q6: I have no 3D drawing, how should I start the new project?
A6: You can supply us the sample or provide us the product sizes and let us know the detailed requirements, our engineers will help you to work out the 3D drawing.

Q7: If you make poor quality goods, will you refund our fund?
A7: As a matter of fact, we won’t take a chance to do poor quality products. Meanwhile, we manufacture good-quality products until your satisfaction.

Q8: Is it possible to know how are my products going on without visiting your factory?
A8: We will offer a detailed production schedule and send weekly reports with digital pictures and videos which show the machining or the plastic injection progress.

 

The benefits of rubber bushings and how they work

If you have experienced increased vibration while driving, you know the importance of replacing the control arm bushings. The resulting metal-to-metal contact can cause annoying driving problems and be a threat to your safety. Over time, the control arm bushings begin to wear out, a process that can be exacerbated by harsh driving conditions and environmental factors. Additionally, larger tires that are more susceptible to bushing wear are also prone to increased vibration transfer, especially for vehicles with shorter sidewalls. Additionally, these plus-sized tires, which are designed to fit on larger rims, have a higher risk of transmitting vibrations through the bushings.

rubber

Rubber bushings are rubber tubes that are glued into the inner or outer curve of a cylindrical metal part. The rubber is made of polyurethane and is usually prestressed to avoid breaking during installation. In some cases, the material is also elastic, so it can slide. These properties make rubber bushings an integral part of a vehicle’s suspension system. Here are some benefits of rubber bushings and how they work.
Rubber bushings are used to isolate and reduce vibration caused by the movement of the 2 pieces of equipment. They are usually placed between 2 pieces of machinery, such as gears or balls. By preventing vibrations, rubber bushings improve machine function and service life. In addition to improving the overall performance of the machine, the rubber bushing reduces noise and protects the operator from injury. The rubber on the shock absorber also acts as a vibration isolator. It suppresses the energy produced when the 2 parts of the machine interact. They allow a small amount of movement but minimize vibration.
Both rubber and polyurethane bushings have their advantages and disadvantages. The former is the cheapest, but not as durable as polyurethane. Compared to polyurethane, rubber bushings are a better choice for daily commutes, especially long commutes. Polyurethane bushings provide better steering control and road feel than rubber, but can be more expensive than the former. So how do you choose between polyurethane and rubber bushings?

Polyurethane

Unlike rubber, polyurethane bushings resist high stress environments and normal cycling. This makes them an excellent choice for performance builds. However, there are some disadvantages to using polyurethane bushings. Read on to learn about the advantages and disadvantages of polyurethane bushings in suspension applications. Also, see if a polyurethane bushing is suitable for your vehicle.
Choosing the right bushing for your needs depends entirely on your budget and application. Softer bushings have the lowest performance but may have the lowest NVH. Polyurethane bushings, on the other hand, may be more articulated, but less articulated. Depending on your needs, you can choose a combination of features and tradeoffs. While these are good options for everyday use, for racing and hardcore handling applications, a softer option may be a better choice.
The initial hardness of the polyurethane bushing is higher than that of the rubber bushing. The difference between the 2 materials is determined by durometer testing. Polyurethane has a higher hardness than rubber because it does not react to load in the same way. The harder the rubber, the less elastic, and the higher the tear. This makes it an excellent choice for bushings in a variety of applications.

hard

Solid bushings replace the standard bushings on the subframe, eliminating axle clutter. New bushings raise the subframe by 0.59″ (15mm), correcting the roll center. Plus, they don’t create cabin noise. So you can install these bushings even when your vehicle is lowered. But you should consider some facts when installing solid casing. Read on to learn more about these casings.
The stiffest bushing material currently available is solid aluminum. This material hardly absorbs vibrations, but it is not recommended for everyday use. Its stiffness makes it ideal for rail vehicles. The aluminum housing is prone to wear and tear and may not be suitable for street use. However, the solid aluminum bushings provide the stiffest feel and chassis feedback. However, if you want the best performance in everyday driving, you should choose a polyurethane bushing. They have lower friction properties and eliminate binding.
Sturdy subframe bushings will provide more driver feedback. Additionally, it will strengthen the rear body, eliminating any movement caused by the subframe. You can see this structural integration on the M3 and M4 models. The benefits of solid subframe bushings are numerous. They will improve rear-end handling without compromising drivability. So if you plan to install a solid subframe bushing, be sure to choose a solid bushing.

Capacitor classification

In the circuit, there is a high electric field on both sides of the capacitor grading bushing. This is due to their capacitor cores. The dielectric properties of the primary insulating layer have a great influence on the electric field distribution within the bushing. This article discusses the advantages and disadvantages of capacitor grade bushings. This article discusses the advantages and disadvantages of grading bushings for capacitors in DC power systems.
One disadvantage of capacitor grading bushings is that they are not suitable for higher voltages. Capacitor grading bushings are prone to serious heating problems. This may reduce their long-term reliability. The main disadvantage of capacitor grading bushings is that they increase the radial thermal gradient of the main insulation. This can lead to dielectric breakdown.
Capacitor grading bushing adopts cylindrical structure, which can suppress the influence of temperature on electric field distribution. This reduces the coefficient of inhomogeneity of the electric field in the confinement layer. Capacitor grading bushings have a uniform electric field distribution across their primary insulation. Capacitive graded bushings are also more reliable than nonlinear bushings.
Electric field variation is the most important cause of failure. The electrode extension layer can be patterned to control the electric field to avoid flashover or partial discharge of the primary insulating material. This design can be incorporated into capacitor grading bushings to provide better electric fields in high voltage applications. This type of bushing is suitable for a wide range of applications. This article discusses the advantages and disadvantages of capacitor grade bushings.

Metal

When choosing between plastic and metal sleeves, it is important to choose a product that can handle the required load. Plastic bushings tend to deteriorate and often crack under heavy loads, reducing their mechanical strength and service life. Metal bushings, on the other hand, conduct heat more efficiently, preventing any damage to the mating surfaces. Plastic bushings can also be made with lubricating fillers added to a resin matrix.
Plastic bushings have many advantages over metal bushings, including being cheap and versatile. Plastic bushings are now used in many industries because they are inexpensive and quick to install. These plastic products are also self-lubricating and require less maintenance than metals. They are often used in applications where maintenance costs are high or parts are difficult to access. Also, if they are prone to wear and tear, they are easy to replace.
Metal bushings can be made of PTFE, plastic or bronze and are self-lubricating. Graphite plugs are also available for some metal bushings. Their high load capacity and excellent fatigue resistance make them a popular choice for automotive applications. The bi-metallic sintered bronze layer in these products provides excellent load-carrying capacity and good friction properties. The steel backing also helps reduce processing time and avoids the need for additional pre-lubrication.

plastic

A plastic bushing is a small ball of material that is screwed onto a nut or locknut on a mechanical assembly. Plastic bushings are very durable and have a low coefficient of friction, making them a better choice for durable parts. Since they do not require lubrication, they last longer and cost less than their metal counterparts. Unlike metal bushings, plastic bushings also don’t scratch or attract dirt.
One type of acetal sleeve is called SF-2. It is made of metal alloy, cold rolled steel and bronze spherical powder. A small amount of surface plastic penetrated into the voids of the copper spherical powder. Plastic bushings are available in a variety of colors, depending on the intended application. SF-2 is available in black or grey RAL 7040. Its d1 diameter is sufficient for most applications.
Another acetal sleeve is UHMW-PE. This material is used in the production of bearings and in low load applications. This material can withstand pressures from 500 to 800 PSI and is widely available. It is also self-lubricating and readily available. Due to its high resistance to temperature and chemical agents, it is an excellent choice for low-load industrial applications. If you’re in the market for an alternative to nylon, consider acetal.
Positional tolerances in many automotive components can cause misalignment. Misaligned plastic bushings can negatively impact the driver’s experience. For example, the cross tubes used to mount the seat to the frame are made by a stamping process. The result is a misalignment that can increase torque. Also, the plastic bushing is pushed to 1 side of the shaft. The increased pressure results in higher friction, which ultimately results in a poor driving experience.
v