Plastic Equipment HPM

Created: prior to 2018

Plastic

INJECTION MOLDER: - Last updated June 2010

1993 500 Ton HPM, 48 oz Injection Molding Machine

Serial# 92327. 3 barrels, endcaps, tips, valves, seals and

spare hydraulic components.

From the Technical Specifications of the custom manual:

Clamp:

Clamp force, US tons: 500

Clamp opening Force, US tons: 29

Clamp stroke, mox, in: 38

Daylight, open, in

Without ejector assembly: 60

With ejector assembly: 50

Platen size, h x v in: 50 x 50

Distance between tie rods, h x v, in: 34 x 34

Tie rod diameter, in: 5.5

Clamp speed, ave, in/sec

High speed, closing, adj: 35

opening, adj 36

Mold setting, closing: 3.5

opening: 3.5

Hydraulic Ejector:

Force, US ton, hydraulic: 12

Ejection speed, in/sec: 9

Reset speed, in/sec: 14

Storke, in: 6

General:

Conveyor opening, w x h, in: 54.6x24

machine dimensions, l x w x h, in: 375 x 90 x 128

Machine weight, lbs: 58,200

Hopper capacity, lbs: 150

Injection:

Injection capacity, cu in: 89

Injection capacity, GPPS, oz; 48

Plasticizing capacity (1), continuous, lbs/hr: 790

Recovery rate (1), oz/sec; 3.5

Injection pressure, max, psi: 20,000

Injection rate (2), cu in/sec: 39.1

Screw diameter, in: 3

Barrel L/D ratio: 20:1

Screw torque / speed (3), in-lb/rpm

Range 1: 31,960/150

Range 2: 18,900/255

Barrel heating capacity, 3-zones, kW 35

Nozzle heating capacity, std, W: 1300

Electrical System:

Electric motor, hp/rpm One (1), Double-End-Shaft: 100/1800

Power supply, std, v/ph/Hz: 460/3/60

Full load amps, max, 460 V: 175

Hydraulic System:

Pump Function

Maximum PSI

GPM Nominal

Clamp

2800

50 , 35 , 8

Injection

2490

50 , 35 , 8

Screw rotation

Range 1:

2550

50, 8

Range 2:

1550

50 , 35 , 8

Clamp Hold, Ejector & Core

2900

19 Piston

Pump output, total nom, gpm: 112\ Reservoir capacity, gal: 500

  1. Based on general purpose polystyrene per SPI test procedure with 15 Deg. F max melt temperature variation and 50% injection capacity.
  2. Calculated using pump output @ 10,000 psi material pressure.
  3. Calculated using pump output @ rated torque and overall efficiency of hydraulic motor

Manufacturer: HPM Corporation

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