CataloguePolymer Pencil Extrusion Plant
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Product Details
POLYMER PENCIL PROJECT DETAILS
The wood-free polymer pencil project is based on four layers Extrusion Line for Round or Hexagonal and Triangle
Pencils [7mm] and having length of 168 to 178mm.
The Standard Extrusion Line consists of 4 Extruders which consist of 1st Extruder for Graphite, 2nd
Extruder for PS foam sheathing / casing, 3rd Extruder for coating layer and 4th Extruder for stripes of a
different colour on top of the coating layer.
Above project consist of Compounding Machinery for making PS Foam Compound Granules also making
powder of Graphite, extrusion line for pencil and different post equipment.
Technical Specs
TECHNICAL SPECIFICATIONS OF EQUIPMENTS
1. COMPOUNDING LINE FOR SHEATHING COMPOUND ( PENCIL BODY )
( DIE FACE CUTTER TYPE GRANULE MAKING PLANT )
A) High Speed Mixer for lead
B) High Speed Mixer for Casing
C) Compounding Extrude
a) Circular Die
b) Die cutter
c) Material collector silo
SPECIFICATION
Material : PS foam compound with different additives
Capacity : up to 30 kg/hr
Connected Load : 35 kw
Consumed Load : 25kw
2.LEAD COMPOUND MACHINE
HIGH SPEED MIXER – EEHSM – 200 (130Litres) – 1No. For lead (Graphite)
HIGH SPEED MIXER “EEHSM: 200 HSM is equipped with a 15kw A.C Induction motor on a heavy Electro welded steel frame. The vessel is double jacketed with inner layer of stainless steel and outer layer of mild steel. The blades of the impeller are specially designed to generate frictional heat besides ensuring thorough mixing by creation of whirlpool. The blades are dynamically balanced to ensure vibration free performance and long life.
3) 4 LAYER PENCIL PLANT – EEPP/TP – 50/26 – 50/20 – 25/20 – 25/20 – 1No.
A. EEEX – 50/26 EXTRUDER FOR SHEATHING / CASING LAYER OF POLYMER PENCILS
SCREW : 50mm diameter
Material : EN-41B, Stress Relieved, Gas Nitrided and hard chrome plated
L/d Ratio : 28 : 1
Screw Type : Suitable for processing of PS foamed compound material with
mixing zone
BARREL : To suit 50mm dia Screw
Material : EN-41B, Gas Nitride
Cooling arrangement : Feeding section cooled by water circulation through a
Jacket and all 4 zones are cooled by blowers
Heating system : Ceramic band heaters (Hotmac Heater) PID temperature controller
No. of zone : 3 Zones on extruder
Heating load : 6kw
MAIN DRIVE : 7.5kw A.C. Motor (Make – Siemens) with A.C. frequency
Variable drive (Make – ABB)
GEAR BOX : Helical type with integral thrust bearing housing
SCREW SPEED : 50rpm
SCREEN CHANGER : Plunger Type (Make - Rajhans) Heating Zone 1 No.
HOPPER DRYER : 50kgs per/hr capacity
ADAPTER : Heating Zone – 1No.
B. EEEX – 50/20 EXTRUDER FOR GRAPHITE CORE LAYER
SCREW : 50mm diameter
Material : EN-41B, Stress Relieved, Gas Nitrided and chrome plated
L/d Ratio : 20:1
Screw Type : Plain metering type screw
BARREL : To suit 50mm dia screw
Material : EN-41B, Gas Nitride
Cooling arrangement : Feeding section cooled by water circulation through a jacket
and All 3 Zones are cooled by blowers
Heating system : Ceramic band heaters (Sai Heater) PID temperature
Controller
No. of zones : 3Nos.
Heating Load : 6kw
MAIN DRIVE : 3.75kw AC motor (Make- Siemens) with A.C. frequency
Variable drive (Make-ABB)
GEAR BOX : Helical type with integral thrust bearing housing.
(Excel –CD – 150, 20:1 ratio)
Pressure Transducer: Fitted in Adaptor ½ UNF 500 Bar
Screw RPM : 10 rpm
Extruder on Wheels
C. EEEX – 25/20 EXTRUDER FOR COATING LAYER
SCREW : 25mm diameter
Material : EN-41B, Stress Relieved, Gas Nitrides
L/d Ratio : 20:1
Screw Type : Plain metering type screw suitable for Resin with Master batch
BARREL : To suit 25mm dia screw
Material : EN-41B, Gas Nitrides
Cooling arrangement : Feeding section cooled by water circulation through a jacket
Heating system : Mica band heaters (Sai Heater) PID temperature controller
No. of zones : 2Nos.
MAIN DRIVE : 0.75kw A.C. Motor (Make – Siemens) with A.C. frequency
Variable drive(Make-ABB)
GEAR BOX : Helical type with integral thrust bearing housing
Heating Zone on Adaptor : 1No.
D. EEEX 25/20 EXTRUDER FOR STRIPPING LAYER
SCREW : 25mm diameter
Material : EN-41B, Stress Relieved, Gas Nitride
L/d Ratio : 20: 1
Screw Type : Suitable for processing, suitable for Resin with Master batch with
Mixing zone
BARREL : To suit 25mm dia screw
Material : EN-41B, Gas Nitride
Cooling arrangement : Feeding section cooled by water circulation through a jacket
Heating system : Mica band heaters (Sai Heater) PID temperature controller
No. of zones : 2 zones
MAIN DRIVE : 0.75kw A.C. Motor (Make – Siemens) with A.C. frequency
Variable drive (Make-ABB)
GEAR BOX : Helical type with integral thrust bearing housing.
Heating Zones on Adaptor : 1No. Heating Zone
CONTROL PANEL:
Integral control cabinet mounted on base. It includes:
1. Power on indicator.
2. Drive control: Drive will be fitted inside the panel cabinet and drive keypad are
Provided on panel door which show motor current (ampere),
Frequency, motor RPM & power % utilization
3. Speed potentiometer for all motors.
4. Motor stop and start button.
5. Temperature controllers
6. Emergency stop button for main motor, calendar unit and winder.
7. Electrical Accessories make:
1) A.C. Motors – SIEMENS
2) A.C. Drives
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