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Leadership in Power Transmission

?Single Screw Extruder GHE Series - Extruder Gearbox

?Range:Power range upto 250 KW. Reduction ratio upto 25.6/1

?Applications: Plastic Extrusion, PVC Extrusion & Cable Extrusion

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“GHE SERIES” - EXTRUDER GEARBOX

For Plastic, PVC & Cable Extrusion










RECOMMENDED LUBRICANT

Greaves

Bharat Petroleum

Castrol

Gulf

Hindustan Petroleum

Indian Oil

Veedol

Esso Petroleum Co. Ltd.

Shell Group

Balmer Lawrie

Greaves Traxol 32

Cabol 320 or Amocam 320

Alpha ZN 320

Harmony 320

Enklo 320

Servomesh SP 320

Avalon 320

Sparton EP 320

Omala Oil 320

Protomac SP 320

BRAND

Recommended Lubricant ISO Vg320

GRADE

THRUST BEARING DATA

29412E

29413E

29414E

29415E

29416E

29417E

29418E

29420E

29422E

29424E

29426E

29428E

29430E

29432E

29434E

29436E

29438E

ThrustBearing

Size

345

397

449

518

575

633

702

863

1010

1170

1380

1400

1610

1790

2020

2250

2480

LoadRating

C(kN)

Unit Applicability

112 125 140 160 180 200 225 250

SECTIONAL ARRANGEMENT

Gears and Pinions:Helical gears and pinions are manufactured from high quality alloy case hardening steel. Case hardened surface with softer core provides improved wear resistance and fatigue strength. Flank ground gears to precision grade ensure high standard of accuracy, long life and quiet running characteristics.Gear cases:High quality, uni-cast close-grained cast iron casing accommodates bearings and gear trains. Units are designed in double reduction version with separate thrust bearing housing to carry different spherical thrust bearings. The units upto sizes 160 are in unicast housing and above 160 are in horizontally split housing. Case design has been computer optimised on CAD work station to provide strengthening ribs and minimize vibrations. They have optimal wall thickness in critical load carrying areas. Inspection covers are provided for viewing gear contacts. Oil level/dipsticks, ventilators and drain plugs are fitted.Bearing:Renowned roller bearings from major manufacturers are used throughout. The thrust bearing is of self-aligned spherical roller type. The bearings selected have ample capacity to support combined radial and thrust loads.Shafting:Input shaft integral with pinion is machined from case-hardening alloy steel. Direct hardening steel is used for hollow output shaft. Cylindrical seats for bearings, wheels, seals, couplings. etc. are finished by precision grinding. Fitment dimensions towards specific screw shaft requirement must be addressed during placement of order.Shaft Seals:Shaft extensions are fitted with spring-loaded high quality Viton type rubber seals to prevent outflow of oil.External Dimensions:Centre Distances are chosen from ISO preferred number series.Shaft Extensions and hollow output shaft bores are to ISO metric standards.All fasteners are metric.Lubrication:Lubrication of gears and bearings is entirely self-contained by 'Splash', which provides ample and positive flow of oil resulting minimum wear and noise. Cast trays inside the case guide churned lubricants towards the bearings. Holes connecting the thrust bearing housing and oil sump ensures continuous circulation of oil flowing through the spherical roller thrust bearing at the output end. Recommended oil is of viscosity grade ISO:VG-320 with EP additives. No special care is required except occasional topping up of the oil. It is not advisable to mix two equivalent brands of oil.Cooling:As a standard feature, units have provisions for fitment of cooling water coil at the bottom of oil sump either at front or rear end.Direction of Rotation:Unit may be operated in either direction of rotation.Product Quality:Unit are manufactured under a stringent quality system certified to ISO:9001 guaranteeing uniformly high standard.Painting:Casting surfaces are painted with linear epoxy primer both internally and externally. External cast faces are finally finished with alkyde semi-gloss blue paint. It is resistant to dilute acids and alkalis, oils and solvents, sea water and temperatures upto 1400C.Preservation/Protection'Premium' Extruder gear units are dispatched without oil. Prior to dispatch they are test run with a rust preventative oil assuring adequate protection to internal parts for a period of 6 months, covering normal transport and covered storage. Note: Where gears units are to operate in abnormal conditions or where they are to stand for long period without running e.g. in plant installation, 'PETL' (Premium Energy Transmission Ltd.) must be notified so that suitable protective arrangement can be made.

As improvement in design are being made, this specification is not to be regarded as binding in details and drawings and capacities are subject to alterations without notice. Certified drawing would be sent on request.

SHIPPING SPECIFICATION AND OIL QUANTITY

29412E

29413E

29414E

29415E

29416E

29417E

29418E

29420E

29422E

29424E

29426E

29428E

29430E

29432E

29434E

29436E

29438E

ThrustBearing

Size

85/95

89/99

94/103

112 125 140 160 180 200 225 250

Net Weight and Gross Weight (in bracket ) in kg (approx.)

108/125

113/120

120/138 200/225

204/228

210/235 274/307

281/314

289/323

322/362

329/371

337/375

348/388

433/488

439/494

447/502

454/509

574/634

581/641

590/650

602/662

812/892

832/912

851/931

872/952

Horizontal

Vertical

Mounting

5

6

112 125 140 160 180 200 225 250

Oil Capacities in Litres (approx.)

6

7

7

8

11

13

15

16

20

22

27

30

35

38

The gear units are quite capable to transmit the high torque required for pressurising and plasticising moulding materials and also to absorb the high axial thrust load through built-in spherical roller thrust bearing. The axial bearing housing is standardised to accommodate suitable thrust bearings and corresponding output shafts with key are splined.Sizes available from 112mm to 355mm center distance

DESIGN FEATURE

All Dimensions are in millimeters.*Dimensions shown in italics correspond to nominalreduction ratio of upto 10.3/1 as applicable.Upto size 160, unicast housing; 180 and above,horizontally split housing. For Output shaft and thrustbearing housing details refer to table of “Thrust Housing and Output Shaft”.

Dimension upto cooling coil Socket head

DIMENSIONS

THRUST HOUSINGAND OUTPUT SHAFT

Thrust Bearing HousingThrustBearing

Output ShaftUnitSize

All Dimensions are in millimeters.

MECHANICAL CAPACITY

Inline HelicalGeared Motors

Super A Series

Inline HelicalReducer Range 0.18KW to 11Kw

Flange MountedReducer

Inline HelicalReducer

Foot MountedReducer

Case hardened & Profile ground Steel Gears with inclined tooth to transmit the torque between parallel shafts with minimum noise.

HELICAL/BEVEL GEARBOX

STD. SOLID FOOT WORM GEAR BOXES

Range Power range upto 350 KWReduction Ratio range 5/1 to 4900/1Case hardened and profile ground screwed threads meshing with smoothly finished bronze wheel to transmit torque at Right angle.

Range From 0.06 KW upto 7.5 KW. Ratio range from 7.5/1 upto 100/1Applications Converyors, Packaging, Loading, Automation

ALM/ALW ALTRA WORM GEAR BOXES

[email protected]@gmail.com

www.cbpl.in

2F - 305, Janak Palace, DDA Building - II,

(Above McDonald's), District Centre,

Janak Puri, New Delhi - 110058 (India)

Tel: +91 11 25593284/5, 25623961/2, 25613961/2

Mob: +91 9971004052/55

CHUGH BROTHERS PVT. LTD.(The gears & motion control engineers)

Authorised Channel Partner

STD. LT MOTORS 0.18KW TO 355 KWFROM 63 TO 355 FRAME

FLAME PROOF MOTORS 0.18KW TO 15 KWFROM 71 TO 160 FRAME

Motors, Drives & Automation

AC Drives, DC Drives & Automation Control PanelEFF1 MOTORS

IE2 MOTORS

Range Power range upto 5500 KWReduction Ratio range upto 650/1

Series 320

,USA Couplings & Torque Limiters

EV00273

uo pC l inra ge s G

Limeu itq er ro sT

EA00172

c Cir oe um plo it ns gal sEPOWER BUILD LIMITED

POWERBUILD

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