SPECIFICATION OF XJ-1000MT PRESS short-STROKE

1. Brief Introduction

• 1.1  the model of Press

• l XJ—1000MT aluminium extrusion press

• 1.2  the purpose and product range

• l purpose: to extrude aluminium and aluminium alloy product
• l product: rod, tubes and other section profile etc.

• 1.3  technical characteristic

• l container size(round):Φ132㎜
• l billet length: 250mm-600mm
• l billet diameter(round):φ127mm(5inch)
• l container length: 650mm

• 1.4  the transfer control system and operation model

• l this equipment is driven by hydraulic system and electrical system to achieve all action steps
• l PLC and touch screen is available
• l The operation model is fully automatic, automatic in one cycle and manual

• 1.5 necessary conditions provided by buyer

• l hydraulic oil: N68 ,around 4500L
• l power : 415V±10%;50HZ    180KW
• l cooling water: quality ph:7-8.5; temperature: ≤30℃;flux: ≥30m3/hour. Pressure: 0.2-0.3MPa

2. Specifications for XJ-1000MT extrusion press 

2.1. Specifications

2.1.1 total pressure：1000MT

2.1.2 rated system pressure：21MPa

2.1.3 main cylinder

- diameter of piston：φ760mm

- effective stroke        ：1400㎜

- extrusion force：952MT

2.1.4 side cylinder（2 pcs）

- diameter of side cylinder：φ160mm/φ120mm

- effective stroke：1400㎜

- force （4pcs,pressure:21MPa）：84MT

2.1.5 container(with separate pump for locking)

- container overall size：φ550mm（outer diameter）×650㎜（length）

- diameter of cylinder：φ140mm/φ90mm（4pcs）

- effective stroke：400㎜

- container locking force(4pc)：129MT

- container opening force(4pc)：50MT

2.1.6 shear parts

- diameter of cylinder：φ160mm/φ90mm

- effective stroke：520㎜

- shear force：28MT

2.1.7 die slide

- diameter of cylinder：φ110 mm/φ80mm

- effective stroke：750㎜

- max force：20MT

- die stack cell dimension ：φ250 mm×250mm

2.1.8 Technical data of speed

- extrusion speed：0.2-12mm/s 

- advance speed    ：300mm/s

- fast back speed：220mm/s 

- container open speed：160mm/s

- container close speed：200mm/s

- shear down speed ：320mm/s

- shear up speed：460mm/s

2.2 hydraulic system

2.2.1 main pump：A7VSO160---variable pump 2sets   manufacturer：GERMANY REXROTH

2.2.2 assistant pump:SQP43-60-38-vane pump 2sets manufacturer:TOKOY KEIKI

2.2.3 hydraulic valve：  logic valve is Weisheng From Taiwan, pilot valve is 

Bosch Rexroth .Check valve is Jinhai from Shanghai.

2.2.4 hydraulic oil（to be provided by the Buyer）：anti-wear hydraulic oil N68.

2.2.5 oil tank capacity： 4500L

2.3 electrical system

2.3.1 total power      :about :180KW

2.3.2 main motor：65KW/6       2sets     manufacturer：Liu’an China

2.3.3 PLC ：S7-1500         manufacturer：Germany Siemens

2.3.4 Human interface---Touch screen       manufacturer：Germany Siemens 

2.3.5 air switch, contactor, thermal-relay is Schneider, button and indict switch is Joint venture Schneider。

2.3.6 main plunger stroke control :magnetic ruler。

2.3.7 container center six points monitor sensor.

2.3.8 adopt return line filter.

2.3.9 one circuit board control one pump separately.

2.3.10 adopt column type air filter.

2.4 sealing parts

2.4.1 sealing parts for main cylinder V type    manufacturer：KVK

2.4.2 sealing parts for piston      KDAS     manufacturer：B+S Germany

2.5 heating system

2.5.1 container heating power：1.4×15=21KW 

2.5.2 heating way：line type electrical heating 。

2.6 cooling and filtering system

2.6.1 cooler-stainless steel exchanger ：   15㎡  1set

2.6.2 cooling tower：   30cube/hour     1set（to be provided by buyer）

Adopt one set separate cooling pump(7.5KW) ,add a filter connecting with the cooler.

2.6.3 pipeline pump：   2.5 inch          1sets（to be provided by buyer）

2.6.4 filter:adopt separate main filter

3. Structure description

3.1 main machinery construction

It is composed of Machine components, hydraulic system and electrical control system.

3.2 Machine Components

Aluminium extrusion press is  horizontal hydraulic press, single action, longt- stroke ,back  loading ,with four pre-stress tie-rods; Frame base is welding-joint parts.front platen and main cylinder are made of 35# forged steel. Motors are placed on the below of the oil tank.

3.2.1 front platen thickness:500mm ;feeding exit on front platen：Φ150㎜.×180㎜ ,and the back platen thickness :500㎜.

3.2.2 Loading system is a unique manipulator; it will deliver billets from bottom of 

base to extrusion center.

3.2.3 there is a inspect system to check the central alignment and the alarm system.

3.2.4unfixed dummy block for stem.

3.2.5 container is a type of “X” to make sure accuracy .heating way is by heating pipes.

3.3 hydraulic control system

3.3.1 main hydraulic oil route adopted logic integration control, assistant action and pilot adopted three /four direction valves control.

3.3.2 there are pressure protection function ,as soon as the pressure exceed the rated pressure, the equipment will stop extruding and alarm ,meanwhile it will display on the touch screen.

3.3.3 there is unique locking system to make sure the locking of container and the die slide.

3.3.4 there are hydraulic oil cooling and filtering system .cooler is a kind of board stainless steel structure.

3.3.5 main pumps are REXROTH . 

3.3.6 lubrication system : automatic lubrication controlled by PLC

3.3.7 oil pipe and flange

• l the oil pipe is 20# high-level seamless pipe, the flange is double seals
• l proper and qualified welding for all pipes
• l the distance between pipe clamp is short so that it can prevent from vibrating
• l the connection between pipe outlet is high-pressure soft pipes, it has advantage of less vibration and easy-installation.
• l the pipes will cover the steps of welding, silic clean ,install  etc 
• l the prefil valve adopt hydraulic cylinder to control the action.

4. electrical control system

4.1 PLC is S7 series product from Germany Siemens.

4.2 Human interface  

• l extrusion speed setup and display
• l working pressure display
• l the hydraulic system condition display
• l extrusion time and cycle display
• l fault display and alarm
• l the product quantity display
• l display the temperature of the container in the screen.

4.3 the touch screen is Germany Siemens 10.4inch.

4.4 while normal working ,the temperature of oil tank should keep on 30℃-45℃. It is forbidden to exceed  50℃.

4.5 the operation way is complete safety to avoid any mistaken operation.

4.6 air switch, contactor, thermo-relay etc is Schneider

4.7 the limit switch is Japan Omron

4.8 manual, automatic in one cycle

4.9 Voltage and frequency 415V+10%   50HZ 

4.10 the container is heat up by electricity, the temperature can be controlled, and range is 350~500

4.11 the control desk adopt piano type.

5.Material

5.1 main cylinder：35# forged steel

5.2 main cylinder piston：chill cast iron（rigidity 45-50HRC）

5.3 front platen：35# forged steel 

5.4 die slide：35# forged steel

5.5 piston supporter：35# cast steel

5.6 back platen：35# cast steel

5.7 tie rods：45# forged steel(with pre-stressed columns)

5.8 container supporter：35# cast steel

5.9 outer sleeve of container：5CrNiMo

5.10 container lining：H13 hot work steel（rigidity HRC48-52）

5.11 stem：H13 hot work steel（rigidity HRC48-52）

5.12 dummy block：H13 hot work steel（rigidity HRC48-52）

5.13 frame base：steel board welding-joint parts

6. technology information

• l the operator’s manual
• l the easy worn parts drawing(container, stem, block, die jacket, shear blade, piston, container heater, die slide  etc )
• l sealing parts list

• l hydraulic components list
• l hydraulic drawing
• l hydraulic layout drawing(all the components will comply, it must be easy to find)
• l electrical drawing
• l foundation drawing