Mould changes at the moulding machine
Guide tools and inserts from the rack into the platen – controlled, without impact on the parting line.
An injection mould costs as much as a mid-range car and weighs more. Even so it is changed by crane in many plants, with slung chains and a lot of hope. A guided manipulator turns the mould change into a predictable operation with a defined movement – faster and without an impact on the parting line.
Typical handling tasks in Plastics & mould making — and what they demand technically.
Guide tools and inserts from the rack into the platen – controlled, without impact on the parting line.
Swap smaller inserts during production without pulling the complete tool.
Take bulky mouldings out of the machine, set them down and place them correctly into racks.
Move moulds between store, cleaning station and machine – one route, one unit.
Lift and tip octabins, sacks and drums at the material feed.
Join large, light but unwieldy parts ergonomically – here volume counts, not weight.
A machine that stands still earns nothing. A machine that stands still because two people are waiting for the crane earns even less. The real time sink is rarely the bolting but the positioning: the tool has to sit correctly oriented, centred and seated against the platen before it is clamped. A manipulator brings it in on a defined path and holds it there – without swinging, without regripping.
A parting line is lapped to a few hundredths. One knock while inserting means rework in the toolroom and, in the worse case, flash on every part of the next run. That is exactly why the damped, low-reaction movement of a manipulator is not a comfort feature here but tool protection: the final speed is limited and the load does not tip after.
In plastics the most common misconception is that light parts need no handling equipment. A bumper section weighing six kilograms is a metre and a half long – the operator has to guide it at arm’s length while protecting the visible surface. Assessment methods rate such postures more harshly than pure weight. What counts here is not payload but reach, and a gripper that does not touch the visible face.
Anyone running eight moulding machines in a row does not need eight manipulators. A rail system above the row guides one unit to every station, with continuous energy supply and optionally driven axes. It is the cheapest way to bring handling technology into an existing shop.
Design, payload and reach — the shortlist for this industry.
The jointed arm for millimetre-precise handling.
View deviceThe whole area covered – in X and Y.
View deviceWeightless handling – floating instead of lifting.
View deviceCompact power for vertical lifting.
View deviceWe look at the workstation before we talk about equipment.
ViewKeeping drawings current – on site or remotely, following your conventions.
ViewLoad, reach, cycle time – plus grippers for anything without a catalogue entry.
ViewLifting equipment, manipulators and balancers for industry, medical technology and logistics.
ViewThe gain rarely lies in the lifting but in the positioning and in dropping the second person. Where two people previously worked with the crane, one now works at the unit – and without waiting for the crane. The exact figure depends on tool weight and on the route between store and machine; a workplace analysis calculates it for your case.
Yes. A rail system along the machine row lets one unit reach every station. From roughly three machines upwards that is more economical than individual units.
Yes – we design them to grip at hidden edges, sprue points or mounting features. Where that is not possible we use soft vacuum cups of a defined shore hardness.
It is not the payload that decides, it is the moment.
Read the articleThe unit lifts. The gripper decides whether it works.
Read the articleOne unit at eight stations beats eight units.
Read the articleOne short conversation usually settles more than three quotations. Call or write — you will reach an engineer directly.
Start typing – for example “balancer”, “SAP” or “pipe stress”.
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