Injection molding machine

Wittmann Battenfeld HM 300/2250

Clamping Unit
• Clamping force: 3000 kN (300 t)
• Distance between columns: 710 x 710 mm – special design, increased distance compared to the standard version
• Mold height: min. 225 mm / max. 1125 mm
• Opening stroke: 900 mm
• Maximum distance between mounting plates: 1125 mm
• Mounting plate size: 1030 x 1020 mm (920 mm)
• Special hole pattern in the clamping plate and nozzle plate – made to order
• Manual device for removing the upper column, with a removable cover in the front guard and a wrench for the column nut

Injection Unit
• Injection unit 2250
• Screw diameter: 65 mm, L/D ratio 22.0
• Shot volume: 1078 cm3
• Maximum injection weight (PS): 981 g
• Specific injection pressure: 2070 bar
• Equipment package: wear and corrosion-resistant plasticizing unit, adapted for processing PP and PPSU, diameter 65 mm
• Hart-PVC package: without internal screw cooling, with external cylinder cooling instead of standard design
• High-temperature heating bands for a working temperature of 450 °C
• 8 standard open nozzles, plus: 4 for the PVC cylinder and 4 for the PP cylinder, through holes 4, 8, 10, and 12 mm
• Wrench for screw tip for a 65 mm diameter

UNILOG B6S Control System - Upgrade package
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• Controller with increased computing power
• APS and cycle time analysis
• Four freely configurable network connections
• Userpage and notepad
• Real-value graphics with 16 curves
• Event log depth: 10,000 events
• Quality table memory depth: 10,000 events
• Four envelope curves, foil function keys
• SPC evaluation and trend charts
• Injection, holding, and back pressure controlled by a servo valve

Hydraulics and Hydraulic Cores
• Core movement and parallel ejection are performed by an additional DFEE pump, size 71, flow rate 95 l/min
• 4 x hydraulic core for the clamping plate NW 10 (on/off valve), interfaces according to EUROMAP 13, with active ejector plate protection
• Cores mounted on the upper side of the clamping plates, each with connections for two consumers
• 2 x core junction box in a special design: 25 3-pole Amphenol plugs, mounted on the clamping plate on the operator side and the rear side, connected in series
• 4 x core pressure relief upon emergency shutdown, engine stop, and after pressing the button in setting mode – relief occurs simultaneously for cores on the clamping side and the nozzle side
• 4 x twin check valve for NW 10 core
• 2 x pneumatic valve for controlling one closing nozzle in the mold or several in parallel (1000 l/min), mounted in the center console at the rear of the machine

Mold Heating, Electrical System, and Connections
• 12 x temperature control circuit for hot runner or mold heating, power 2.3 kW, 10 A, interface according to HASCO standard (1 x HASCO 24-pole for max. 6 zones)
• Mounting location for heating circuits: center console at the rear, near the control cabinet
• 2 x Schuko 16 A socket: under the control system and on the clamping side from the rear, under a cover
• 2 x CEE 16 A socket: on the injection side from the front and on the clamping side
• Dual power supply: 1. power supply 3P+N, 400 V, rated current 140 A, preliminary protection gL-gG 160 A
• 2. power supply 3P, 400 V, rated current 98 A, preliminary protection gL-gG 100 A

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