Blog
Guides and articles from Pratishna Engineers on choosing, sizing and buying injection moulding machines in India.
Horizontal Clamp or Vertical Clamp? Choosing the Right Vertical Machine
Horizontal clamp or vertical clamp for your vertical machine? Compare where inserts sit, how melt enters, loading options and which parts suit each.
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Moulding Plugs on Power Cords: Machine and Mould Setup
Moulding plugs on power cords: a setup checklist for pins, cord entry, pre-mould and mould fit, plus what IS 1293 tests mean for the mould.
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Cable and Wire Overmoulding on Horizontal Clamp Vertical Machines
Cable and wire overmoulding on a horizontal clamp vertical machine: how it works, which parts suit it, sealing cable exits and how many cavities to run.
Read moreHorizontal Clamp or Vertical Clamp? Choosing Between PV and PVDL
Horizontal clamp or vertical clamp for a vertical injection machine? Compare cable and insert jobs, loading, mould fit and clamp checks before you buy.
Read moreCable and Wire Overmoulding on PV Vertical Machines
Wire overmoulding on a horizontal clamp vertical machine: how the cable is laid and sealed, which materials bond to the jacket and how many cavities fit.
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Threaded Brass Inserts in Plastic Parts: Moulding and Pull-Out Strength
Threaded brass inserts in plastic: moulded-in vs heat staked, what sets pull-out and torque, boss sizing, hoop stress cracking and keeping threads clean.
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Sliding Moulds on Vertical Machines: How Much Cycle Time They Save
Sliding mould cycle time explained: how a double-slide table overlaps insert loading with moulding, when it saves 40% and when a single slide costs time.
Read moreMoulding Plug Tops With Brass Pins on a Vertical Machine
Plug top moulding with brass pins on a vertical machine: IS 1293 needs, FR PC grade, pin loading and clamp force for 2 to 8 cavities.
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Insert Moulding on PVDL Vertical Clamp Machines: Setup and Loading
Insert moulding setup on vertical clamp machines: how to locate inserts, time the loading, check before the clamp closes and size the job.
Read moreWhen to Use a Sliding Mould on an 80 Ton Vertical Machine
When a sliding table vertical machine pays off: fixed, single-slide and double-slide lower moulds compared on cycle time, access, tooling cost and energy.
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Automotive Insert-Moulded Parts on Vertical Machines
Automotive insert moulding on vertical machines: the parts, PBT-GF30 and PP grades, cracking around inserts and checking each insert before the shot.
Read moreMulti-Insert Housings on an 80 Ton Vertical Machine
Multi insert moulding for housings on an 80 t vertical machine: insert design and location, loading time per shot and what IS 14772 asks of enclosures.
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