Merchandise Description

     

       Heung Kong Precision Technologies Co., Ltd. is situated in HangZhou City, the main metropolis of large-end production in the ZheJiang -Hong Kong-Macao Increased Bay Area, China. It is a expert industry and trade organization focusing on the design and style and manufacture of precision metal and plastic components.
       Heung Kong Precision Engineering Co., Ltd. is a collaborative innovation cooperation unit of the Innovation Heart of HangZhou College of Technological innovation. It has nearly ten secure and reliable companions in the Pearl River Delta, supplying clients with aggressive costs and higher-quality customized product processing services.
       Our expert crew is made up of a number of engineers in the field of CNC machining with a lot more than fifteen a long time. The organization supplies customers with steady and dependable services and generates benefit for consumers by developing a experienced, stable and higher-high quality offer chain.
       
       Company handle: No. 17, Xihu (West Lake) Dis. Highway, Xihu (West Lake) Dis.cheng District, HangZhou City, ZheJiang Province

Merchandise & Support
 

CNC machining typically refers to pc digital management precision machining, CNC machining lathes, CNC machining milling machines, CNC machining dull and milling machines, and many others.

CNC machining rewards:
1. The quantity of tooling is greatly reduced, and intricate tooling is not essential to procedure elements with intricate styles. If you want to modify the shape and dimensions of the portion, you only want to modify the part processing program, which is ideal for new merchandise growth and modification.
2. The processing good quality is stable, the processing precision is substantial, and the repeatability is large, which is suited for the processing demands of plane.
three. The production performance is high in the situation of multi-assortment and small batch production, which can lessen the time for production preparation, device tool adjustment and approach inspection, and lowers the cutting time owing to the use of the best reducing volume.
four. It can method sophisticated profiles that are challenging to procedure by conventional strategies, and even method some unobservable processing areas.

Automatic lathe is a substantial-efficiency, higher-precision, reduced-sound device-type computerized lathe. It is an automatic processing machine instrument that controls the processing plan via a cam (CNC is also a variety of automatic lathe, listed here refers to a non-CNC automated lathe).

Advantages of computerized lathe processing:
one. Computerized processing: no manual operation is needed, and complex parts can be processed simultaneously with exterior circle, spherical floor, conical surface area, arc surface area, step, groove, embossing, drilling, tapping, die, chopping and other procedures. It can be done in 1 processing.
two.High manage precision: the precision of the equipment resource spindle can reach .003mm, the wonderful adjustment of the slider is controlled by a micrometer, and the dimensional handle precision can reach .005mm. The minimum cutting feed can be managed to .005, and the roughness of the components (copper areas) can be as reduced as Ra0.04-.08.
three. Computerized feeding: the feeding system routinely feeds the major shaft, and the machine routinely stops and alarms when the material is completed, and the processing approach does not require handbook viewing of the materials, obtaining a entirely automatic manufacturing process. One operator can work a number of equipment at the identical time.
four. High manufacturing efficiency: a machining process is completed for every revolution of the cam. Multiple resources can be lower at the identical time, the processing efficiency is quite large, and the processing efficiency has the positive aspects that CNC can’t match.

Sheet steel processing is called sheet metal processing. Sheet metal components are slim-plate hardware components that can be processed by stamping, bending, stretching and other implies.

The major procedures are:
Strain riveting, growing riveting, pulling mother, pulling riveting, riveting, chamfering, bending, forming, reducing, blanking, blanking, punching, punching convex hull, punching and tearing, punching, tapping, leveling , Again tooth, drilling, chamfering, punching, countersinking, flattening, punching mesh, reaming.

The materials generally utilized in sheet steel processing are chilly-rolled sheet (SPCC), very hot-rolled sheet (SHCC), galvanized sheet (SECC, SGCC), copper (CU), brass, crimson copper, beryllium copper, aluminum sheet (6061, 5052 , 1571, 1060, 6063, duralumin, and so on.), stainless steel (SUS301, SUS304).

Stamping processing is the creation engineering of solution elements with certain shape, size and overall performance by means of the electrical power of conventional or particular stamping equipment, so that the sheet metal is straight subjected to deformation power in the mold and deformed. It is 1 of the main strategies of plastic operating (or push doing work) of metals.

Benefits of stamping processing:
one.The production efficiency of stamping processing is large, and the procedure is convenient, and it is easy to recognize mechanization and automation. The number of strokes of common presses can get to dozens of occasions for each minute, and the large-velocity stress can get to hundreds or even hundreds of occasions for each minute, and 1 punching piece may be attained for every stamping stroke.
two. Given that the die guarantees the dimensions and shape precision of the stamping areas, and generally does not damage the surface quality of the stamping areas, and the lifestyle of the die is normally prolonged, the high quality of the stamping is secure and the interchangeability is great.
three. Stamping can process components with a broad variety of dimensions and complex shapes, this kind of as stopwatches as tiny as clocks, as huge as auto longitudinal beams, masking components, etc., plus the cold deformation hardening impact of the materials throughout stamping, the energy and stiffness of stamping are increased.
4. Stamping typically does not create chips and scraps, consumes less material, and does not need other heating tools, so it is a content-saving and power-conserving processing approach, and the price of stamping components is low.

Surface treatment method is a approach of artificially forming a surface area layer with distinct mechanical, bodily and chemical homes of the substrate on the floor of the substrate.
The objective of area remedy is to satisfy the corrosion resistance, put on resistance, decoration or other unique purposeful needs of the product.

The most commonly utilized surface area treatment method processes are:
Anodizing, electrophoresis, electroplating, PVD, powder coating, metallic wire drawing, sandblasting, polishing, etching, etc.

1) What’s your advantage?
We offer non-common/OEM/custom-made service.
We have stable and higher-quality source chain to give you with continuous and reliable companies. 
 
two) How soon can I get your quotation?
We usually quote in 20 several hours. If you are very urgent, pls phone us or notify us in your e mail.

3) Will my layout drawing be protected right after you get it?
 Yes, we can indication the NDA before you send the design file.

4) Offered for tailored design drawings?
Sure. The design and style file structure is DWG, DXF,DXW, IGES, Step, PDF and so forth.

five) Do you give samples?
Of course. Just need to have sample value.The sample value could be refunded in mass production.
 
six) What is the foremost time?
It is dependent on the quantity, Typically 7-21 times after order confirmed.

 

Service	CNC Machining
	Automatic Lathe Machining
	Sheet Metal Fabrication
	Stamping Parts
	Surface Treatment
Material	Aluminum
	Stainless Steel, Steel
	Brass
	Copper
	Plastic
Surface treatment	Sandblasting, Anodizing Color, Blackenning, Zinc\Nickl Plating, Polishing And Brushing,Etc.
MOQ	Quantity is not limited, small order can be accepted
Drawing Format	STEP, CAD, STP, DWG, DXF, PDF, Gis, etc Or Samples
Delivery Time	5-25 Days, Depends on the quantities
Tolerance	+/- 0.01mm
QC	100% Inspection before shipment
OEM&ODM	We can design for you or production products same as your drawing

Service	CNC Machining
	Automatic Lathe Machining
	Sheet Metal Fabrication
	Stamping Parts
	Surface Treatment
Material	Aluminum
	Stainless Steel, Steel
	Brass
	Copper
	Plastic
Surface treatment	Sandblasting, Anodizing Color, Blackenning, Zinc\Nickl Plating, Polishing And Brushing,Etc.
MOQ	Quantity is not limited, small order can be accepted
Drawing Format	STEP, CAD, STP, DWG, DXF, PDF, Gis, etc Or Samples
Delivery Time	5-25 Days, Depends on the quantities
Tolerance	+/- 0.01mm
QC	100% Inspection before shipment
OEM&ODM	We can design for you or production products same as your drawing

What is a bushing?

If you’ve ever wondered what an enclosure is, you’ve come to the right place. This article will provide an overview of different types of housings, including air-insulated, oil-impregnated porous bronze, and epoxy-impregnated capacitor cells. After reading this article, you will be better equipped to make an informed choice about the type of bushings your truck needs.

air insulating sleeve

When choosing bushings for your electrical application, you need to look for bushings with long-lasting insulation. In addition to being durable, bushings must have the correct design shape and material to remain effective over time. Porcelain was used in early casing designs and was chosen for indoor and outdoor applications due to its low cost and low linear expansion. Porcelain also requires a lot of metal fittings and flexible seals to remain effective.
Solid bushings have a center conductor and a porcelain or epoxy insulator. They are used in low voltage electrical applications such as small distribution transformers and circuit switches. However, their low radial capacity limits their use in high-voltage applications, so they are limited to circuit switches and other low-voltage equipment. The electrical service duty of the bushing determines the type of insulation required.
Another type of air-insulated bushing is made of conductive metal, which reduces heat transfer. This design enables it to operate over a range of temperature conditions. Additionally, air-insulated bushings are generally more effective than gas-insulated bushings in a range of applications. The main difference between air-insulated bushings and gas-insulated bushings is the insulating material. While gas-insulated bushings are usually made of high-quality materials, high-quality materials are still preferred in some applications.
Elliott # B series insulators are 25 kV class and pressure molded cycloaliphatic epoxy resins. They feature knurled brass inserts and 16 UNC threads. If you choose this type, make sure it matches the exact diameter of your Elliott Class 25 kv air insulated bushing. These insulators also provide overall shielding and require openings to fit inch diameters.
There are two types of air-insulated bushings: air-to-air and oil-to-oil. Oil is a stronger dielectric than air, and air-to-oil bushings are used to connect atmospheric air to oil-filled equipment. They are available for solid and capacitive hierarchies. So, which one is right for you? Just choose the right insulation to make your equipment as efficient as possible.

Oil Impregnated Porous Bronze Bushings

Oil-impregnated porous bronze (PbB) bushings are one of the best options for lubricating metal bearings. Lubrication is maintained even in high temperature applications as oil penetrates into the pores of the bronze. They are also self-lubricating and maintenance-free. Manufactured by CZPT, the Oil Impregnated Bronze Bushing is a powder metal process that is uniformly lubricated by a uniform oil film. This type of bearing is one of the most efficient in terms of precision performance.
One major difference between oil-impregnated bronze bushings and standard cast bronze bushings is their manufacturing process. Oil-impregnated bronze bushings are pressed from powder and then sintered to form a hardened part. This method is very effective for high-volume manufacturing, but it also has its limitations. Oil-impregnated bronze bushings are cheaper and more efficient, but they have mechanical limitations.
The production of oil-impregnated porous bronze bushings is simple. Powder bronze bushings are pressed and vacuum sealed by forcing oil into the pores. The low stress properties of oil-impregnated bronze bushings make them easier to manufacture in high volume. It also does not require additional lubrication. However, oil-impregnated porous bronze bushings have relatively low mechanical strength and are not recommended for applications where high temperatures are present.
Oil Impregnated Porous Bronze is also known as BPPB. Unlike traditional oil-impregnated bronze bushings, BPPB bushings have a high oil retention capacity. This means they will last a long time and you will save a lot of maintenance costs. But be careful. Porous bronze bushings can only last so long without oil.
Oil-impregnated bronze bushings are a good choice if dimensional consistency is important. BP bronze bushings have the same C dimension as solid metal bushings. While the CZPT is a ghost of the past, there are now many powder metal manufacturers producing BP housings. Their C of F values ​​range from 0.04 to 0.08.

Epoxy Impregnated Capacitor Batteries

Epoxy impregnated condenser core sleeves are conductive paper used in air conditioning systems. The paper core is coated with epoxy resin and the insulating shell is silicone rubber. RIP bushings have excellent electrical properties, are fire resistant and are relatively small. However, the process of making these products is not easy and mistakes are common. These defects manifest as cracks or other structural damage in the capacitor cells.
RIF (Resin Impregnated) bushings feature a finely graded design. The capacitor core is made of glass fiber impregnated with epoxy resin. The outer insulation is made of silicone rubber sheds glued directly to the capacitor core. These bushings are designed for small clearances, so no filler material is required.
In order to determine whether the RIP sleeve is void-free and dry, the insulating paper must be impregnated with epoxy resin. The process is similar to making conventional condenser core sleeves, but with greater flexibility and robustness. The main difference between RIP bushings and conventional insulators is the epoxy content.
Capacitor grading bushings are also available. These bushings increase the electric field at the ends of the capacitor core plates. The higher the temperature, the higher the electric field. These properties make resin-impregnated capacitor mandrel sleeves reliable. However, capacitor grade bushings have higher electric fields than nonlinear bushings.
The capacitor core of the present invention is made by winding paper around the winding tube 3 . The paper may contain an intermediate conductive foil. The winding tube is then covered with electrical insulator. Afterwards, the capacitor core 1 will be RIP and electrically connected to the electrical conductor 6 .
To further characterize the performance of RIPs, thermal shock current (TSC) was used to determine their trap parameters. Unmodified epoxy resin and nano-SiO2 modified RIP were tested. The RIP samples were polarized under a 2 kV/mm electric field at 333 K for 10 min and then subcooled to 193 K with liquid nitrogen. TSC curves were obtained at 3 K/min and 383 K.

plastic bushing

Plastic bushings are essential for many industries. They protect wires and other mechanical parts. They come in many shapes and sizes and are often used as adapters when connecting two pipes or tubes of different diameters. They are available in a variety of materials including rubber, steel and various other plastics. Most bushings are cylindrical or conical in shape and made of shock absorbing material. They slide on rods or pipes to provide low friction motion.
Plastic bushings can be made from a variety of materials, including phenolic, polyethylene, and nylon. While phenolic resins have long been the preferred choice for heavy-duty applications, nylon is the most commonly used lining plastic. Nylon has several advantages, including low friction, no lubrication, quiet operation, and low wear. In addition to these advantages, it is easy to form and cast. In order to obtain better mechanical properties, fillers such as molybdenum disulfide can be added to the material. Plus, filled nylon parts resist deformation at temperatures up to 300 degrees Fahrenheit.
Another benefit of plastic bushings is their low cost. Much cheaper than metal, plastic is a versatile material that can be used in a variety of industries. A quick installation and replacement process makes them the first choice for users who need to install new components quickly. Plus, plastic bushings don’t wear out as quickly as metal, which is another benefit. And because the wear rate of plastic bushings is predictable, manufacturers can easily replace them before they start to fail. And they last longer, so you save time and money.
Plastic bushings are widely used in machinery with sliding and rotating shaft components. They have excellent load-carrying capacity and anti-friction properties. They are essential to many industries, including construction, mining, agriculture, hydropower, transportation and food processing. They are easy to install and come in a variety of sizes and shapes. They are very durable and very reliable. They reduce machine wear and are less expensive than bearings.