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Prestressed Concrete Pole Making Machine/Moulds&Auxillary Equipments
- 100 Set / Sets per Month
- Tianjin
- T/T
Product Details
Place of Origin: | Shandong, China | Brand Name: | Hexie | Model Number: | HX-130 |
After-sales Service Provided: | Engineers available to service machinery overseas |
Product Description
Specifications
1.For Prestressed Electrical Pole Production2.Spun cast
3.Durable
4.Easy maintenance
5.Best cost performance
A.Brief of Prestressed Concrete Pole
I.Prestressed Concrete Pole Look:
Prestressed concrete pole can be made in many shapes.Poles up to 40 feet long with square or rectangular solid cross-sections are easy to manufacture,occupy less room during transporation,and faciliate positioning of steel at corners for maximum resisting moment at a given depth.Circular hollow cross-sections are better for longer poles.Because hollow,weigh less.And because they are spun at high speeds in casting operation,then concrete is denser and stronger.
II.Design Consideration:
A pole generally acts as a cantilevered structure ,and should be designed and analyzed as a tapered member with combined axial and bending loads.Because shear forces are small compared to bending moments,prestressed concrete poles are very resillient.Axial loads are small,too,and are generally ignored except when the structure is guyed.
III.Working Principle:
Prestressed concrete poles generally are manufactured in centrifugal casting process.Centrifugal casting or spin casting is the best and cost-saving method for prestressed concrete pole production.In centrifugal casting,a steel form(mold) is placed on machine,partially filled with amount of precalculated concrete ,then spun for several minutes(time for spinning depends on motor speed).The tremendous centrifugal forces created by the spinning consolidated the concrete by forcing it against on the wall of the form.Excess water that is squeezed out of concrete is poured from the hollow cavity created in the center of the pole.After spinning,the form is steam cured until the strength of concrete is 3500psi.The prestressing wire is then released,and the pole is air-cured for 28 days.The result :a hollow pole made of dense concrete.
B.Process of Production
Products Introduction:
1.Spinning machine
The technology that our spinning machine adopted is derived from Germany in 1980s.Through around 30 years experieces accumulation and improvement,our technology on spinning machine has exceeded the original,with advantages of wide range of spinning speed,lower noise,easy maitenance and operation.In addition,we provide to customers with multiple configuration of motors for the purpose of meeting customers different demands on operation,cost,maintenance and automation.
2.Steel mould
The prevailing specifications of mould will be as below:
Item | Equal Diameter Pole | Tapered Pole(Single) | Tapered Pole(Assembled) |
Length | 4-9 meters | 6-15 meters | More than 16 meters |
Top Diameter | 300-550mm | 100-230mm | 190-550mm |
Bottom Diameter | 300-550mm | 180-390mm | 283-630mm |
Steel Mould Specification
Inner Diameter of Top End(mm) | Wheel Distance(mm) | Pole Length(m) |
Φ100 | 2000 | 6~7 |
Φ110 | 2000 | 6~7 |
Φ120 | 2000 | 6~8 |
Φ130 | 2000 | 6~8 |
Φ150 | 2000 | 6~10 |
Φ170 | 2000 | 6~12 |
Φ190 | 2000 | 7~12 |
Φ190 | 2000 | 15~18 |
Φ230 | 2000 | 6~9 |
Φ310 | 2000 | 6~9 |
Φ350 | 2000 | 6~9 |
Φ390 | 2000 | 6~9 |
The raw materials of our mould meet international standard,so our finished mould has advantages of high strength,precision and non-deformation.
Each of our steel mould is mechanically processed by different machine tools for the purpose of decreasing deformation frequency,higher strength for different loading capacity of pole,and more precise of each part of mould.The mould processed by this technique will have advantages of long life-about 30 years,easy to operate-easier for workers to assemble two halves of moulds,non-deformation of mould,and the finished pole from this kind of mould will have a neat apearance
3.Steam Curing:
The pole after centrifugation needs to be steam cured to strengthen to a given value.The whole process will be in a given temperature,moisture and depth environment.The process of steam curing takes four hours.
1.Molds
Note:Before production,brush demounding agent on the inner wall of mold.
2.Spinning Machine
Note:Spinning time is dependent on spinning speed.
3.Boiler
Note:Capacity of Boiler have an important relationship with your estimated productivity.
4.Bridge Crane
5.Feeding Machine
Note:This machine is optional,if you have enough human labor,this machine is not necessary
6.Automatic Concrete Mixer
7.Gantry Crane
8.Prestressing Steel Wire
9.Actual Finished Poles at Customer's Work Place
C.Demand on Equipments
D.Packaging and Delivery
Note:For the purpose of Saving cost for customers,packages are nude.Generally,delivery in containers:top open or regular.
For mold,due to length,seperate into sections or delivery in whole.
For crane,seperate into sections and install at work site.
Actual Pictures of Loading
E.After Sales Services
After Sales Services:
Commissioning Engineer:we will send commissioning engineer as your request to help you install and test our machines till they are running well.
F.FAQ
1.How to select process for prestressed concrete pole production?
Answer:the production process of prestressed concrete pole depends on its application.The mechanical property of prestressed concrete pole depends on concrete and steel.Using different steel,the production process have little differences.
2.How to select equipments different process?
Answer:The production process of prestressed concrete pole generally have steps below:
1.Steel structure production→2.Concrete pouring→3.Tensioing→4.Spinning→5.Steam curing.
All the selection of equipments should be based on the process above.
3.Why we select your equipments?
Answer:our durability,adaptability for different production process and working environment,and price performace will meet your demands.
4.How to check the quality of equipments?
Answer:we have a series of regulation on factory inspecation to guarantee each machine is healthy for working.
Contact Us
- Shijiazhuang Casiting Trading Co., Ltd.
- Contact nameBaozhong Lee
- Phone0086-311-67596450
- AddressRoom1-1-1201,Xinshuiyuan,No.16 Huaqing South Street Shijiazhuang,Hebei
CEMENT PRODUCTS TESTING MACHINE&TESTER | CONCRETE PIPE MAKING MACHINE | CONCRETE POLE MAKING MACHINE | EN877 CAST IRON PIPES, FITTINGS, COUPLINGS |
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