steel linear small shaft polishing stainless knurled shaft
Specifications: customized according to the requirements of drawings and samples
Introduction: Professional hardware accessories processing factory
Description
Technical Parameters
Product Description
Specifications of air shaft
Type: Key type air shaft(steel-made or aluminum made) ,Lath type air shaft,Differential air shaft
Material: No.45 steel/ Aluminum
Length: 0.2m-3.8m
Diameter | Unaerated diameter (ømm) | Inflated diameter(ømm) | Applicable volume tube inner diameter(ømm) |
1″ | 24.8 | 24.8-28 | 25-26 |
1.5″ | 37 | 40-42 | 38-38.5 |
2″ | 49 | 52-54 | 50-51 |
3″ | 74-75 | 80-82 | 75.5-78 |
4″ | 99-100 | 104-106 | 101-102 |
5″ | 125 | 130-133 | 126-128 |
6″ | 150 | 154-156 | 151-153 |
8″ | 200 | 206-264 | 202-204 |
10″ | 250 | 260-264 | 252-256 |
12″ | 300 | 308-310 | 302-305 |
(1) Adopting high power press machine to realize interference fit
We are using a high power press machine which can produce 80T thrust to realize all the combination of spindle head and steel tube for the air shafts. Light type air shaft is with 0.03mm interference fit.Heavy type air shaft is with 0.06mm interference fit.While many factories knock it in with a big hammer,no quality and accuracy.
(2) Adopting hi-precision cold-drawn steel tube as the shaft body
We adopt hi-precision cold-drawn steel tube as the shaft body.The thickness of this kind of tube is uniform so when the rubber balloon inside is inflated ,all key strips will stick out at same height .And it will greatly weaken centrifugal force of the whole air shaft when it is rotating and will keep a dynamic balance.
(3) Adopting whole long key bar and pagoda springs for key type air shafts
We use the whole long key bar to form a good protective ring around the air shaft air chamber ,and we adopt the pagoda springs which can bear 300000 compression.The key bar is made of aluminum alloy. 
(4) Adopting special equipment to connect air chamber and shaft head
The connection mode between the air chamber and the shaft head is very important process,our company are using special equipment to realize it.Outside is buckled by siderosphere directly which can ensure good sealing performance and stability. Many air shafts produced by other suppliers,both ends are fastened by iron wire,this is easy to leak and is with unstable sealing performance.
Structure of air shaft
Adapter for air shaft(Air cover)
Air valve and Air gun(air inflatable handle):
Safety chuck:
Packaging & Shipping
Our Warehouse
Some regular type materials we always keep in stock
Clean and big moulds warehouse to keep all customers' moulds orderly
In-house Moulds Fabrication
We promise to design and manufacture all your moulds in house, to ensure moulds quality and safety.
Stamping Workshop
We have nearly 70 sets stamping machines from small to large. The largest up to 500Ton.
The moulds and equipments quality effects the stamping products quality. Luckily, we can provide all these with high quality.
CNC Machining Workshop
We have 3/4/5 axis precision advanced CNC machining centers.
We have advanced lathe turning machines to make the parts fastly (when put the material into the machines, finally the perfect products come out).
Secondary Operation Workshop
We create the special equipment for deburring and flattening the parts automatically.
We have ultrasonic cleaning equipment in house, so that all the parts can be cleaned before packaging.
We have in house laser printing equipment to do your custom LOGO.
Our Inspection Workshop
We have low and high temperature testing machines, salt spray test chamber, 3D projector and various inspection tools.
Shenzhen pride Industrial Co., Ltd.
Tel:+8618666663894
Whatsapp:+8615629044483
Fax:+86-917-3387002
Mob:+86-755-23699351
E-mail: crush@pride-cnc.com
Add: Block D, Dianlian Science Park, Matian St., Guangming District, Shenzhen 518106, China
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