Plastics forming · Deep-vacuum surge
Vacuum Pump for Thermoforming Machine
Thermoforming Machine duty, sized right: fast, deep evacuation to pull hot sheet into the mould. Real Yash models, oil-free where it matters, ISO 9001:2015 and built in Faridabad since 1998.
- Duty
- fast, deep evacuation to pull hot sheet into the mould
- Airflow
- 200–650 m³/hr + surge tank
- Vacuum
- −800 to −930 mbar
DTYWhy thermoforming wants deep vacuum, fast
Thermoforming is a race against a cooling sheet. When the hot plastic drops onto the mould the pump has to evacuate the cavity almost instantly and pull a deep vacuum so the sheet snaps into every detail before it stiffens. That combination — deep ultimate vacuum plus a fast pull-down — is why forming lines run a vacuum surge tank kept evacuated by the pump between shots, so peak demand is met by stored vacuum and the pump only has to recover. An oil-sealed rotary vane pump gives the deepest, most repeatable ultimate vacuum for crisp detail; a dry oil-free pump does the same job cleaner where oil carryover is unwanted, at slightly less ultimate.
Yash offers the full vacuum ladder for forming — ACME oil-sealed high-vacuum pumps for the deepest pull, YBDVP dry pumps where the process must stay oil-free, and liquid-ring pumps where the air is warm and moisture-laden. All ISO 9001:2015 and built for continuous forming-shop duty in Faridabad, sized against your tank volume and cycle time rather than a nameplate.
SZESizing note
Size the pump on recovery time, not peak: pick a surge-tank volume that meets the per-cycle displacement, then choose a pump that pulls the tank back down to setpoint within the cycle. Deeper ultimate vacuum buys sharper detail on thin-gauge parts.
Indicative only — final selection depends on your exact duty point, altitude and air temperature. Send the numbers and an engineer confirms the model.
MDLRecommended models
Real Yash models whose published specifications sit inside this machine's duty window. Every figure is from our catalogue — click any model number for its full datasheet.
High Vacuum Pump
Full range →Oil-sealed rotary vane pumps for the deepest, most repeatable ultimate vacuum — crisp mould detail on thin-gauge sheet.
Dry Vacuum Pump (Only Vacuum)
Full range →Oil-free dry vacuum where carryover is unwanted — high displacement to recover the surge tank fast, nothing to contaminate.
FAQVacuum Pump for Thermoforming Machine — FAQs
- What vacuum level does a thermoforming machine need?
- Most forming needs a deep vacuum in the −800 to −930 mbar range to pull sheet into fine detail. Ultimate vacuum matters most on thin-gauge, high-definition parts; run it through an evacuated surge tank so the pump meets the per-shot demand from stored vacuum and only has to recover between cycles.
- Oil-sealed or dry vacuum pump for thermoforming?
- Oil-sealed rotary vane (ACME) gives the deepest ultimate vacuum and is the traditional choice for crisp detail. A dry YBDVP pump reaches slightly less ultimate but keeps the process oil-free with no oil changes — preferable for food-contact or clean forming. We size either against your tank volume and cycle.
REFExplore further
RFQ / Request for Quotation
Sizing a vacuum pump for your Thermoforming Machine?
Send your duty point (200–650 m³/hr + surge tank at −800 to −930 mbar), the machine make and your site voltage — an engineer sizes the exact model and quotes within 24 hours.