350 Ton Horizontal Injection Moulding Machine (H Series)
The H Series 350 Ton is a horizontal plastic injection moulding machine from Pratishna Engineers, the largest model in the H Series, built for the biggest household articles and large industrial parts. It offers two screw options from 65 to 70 mm with shot weights from 836 to 969 g (PS), a 710 × 710 mm tie-bar space and a 1185 mm daylight opening, with the injection unit, clamp, hydraulics and controls matched to household articles.
Pratishna Engineers is one of the top and trusted 350 ton household articles injection moulding machine manufacturers in India. The Mumbai-based company has 35+ years of experience and has supplied 9,000+ machines to 1,000+ customers, offering the H Series 350 Ton in two screw configurations, backed by in-house engineering and after-sales support.
- Clamping force
- 350 T
- Screw options
- Ø65 · Ø70
- Shot weight
- 836 – 969 g
Need Help Selecting an H Series 350 Ton Machine?
Contact Pratishna Engineers to discuss your plastic injection moulding requirements and request H Series 350 ton specifications, application guidance and a quotation.
H Series 350 Ton Specifications
The H Series 350 Ton is available in two screw configurations: A (Ø65 mm) and B (Ø70 mm). Injection unit values vary by screw; clamping, ejector and general specifications are common to all. Specifications are subject to change in line with continuous product development.
Injection unit | Option A | Option B | |
|---|---|---|---|
| Specification | Unit | 65 mm | 70 mm |
| Screw diameter | mm | 65 | 70 |
| Screw L/D ratio | — | 18:1 | 16.7:1 |
| Max. swept volume | cm³ | 929 | 1077 |
| Max. shot weight (PS) | g | 836 | 969 |
| Max. injection pressure | kg/cm² | 1539 | 1327 |
| Rate of injection | cc/sec | 292 | 339 |
| Screw speed | rpm | 250 | 250 |
| Nozzle force | Tons | 7.5 | 7.5 |
Hydraulic ejector | Option A | Option B | |
|---|---|---|---|
| Specification | Unit | 65 mm | 70 mm |
| Ejector stroke | mm | 180 | 180 |
| Ejector force | Tons | 7.5 | 7.5 |
Locking unit | Option A | Option B | |
|---|---|---|---|
| Specification | Unit | 65 mm | 70 mm |
| Mould clamping force | Tons | 320 | 320 |
| Mould clamping stroke | mm | 560 | 560 |
| Mould thickness (min – max) | mm | 200 – 625 | 200 – 625 |
| Max. daylight opening | mm | 1185 | 1185 |
| Space between tie bars (H × V) | mm | 710 × 710 | 710 × 710 |
| Platen size | mm | 1030 × 1050 | 1030 × 1050 |
General | Option A | Option B | |
|---|---|---|---|
| Specification | Unit | 65 mm | 70 mm |
| Servo motor | kW | 45 | 45 |
| Heating capacity | kW | 26.1 | 26.1 |
| Total connected load | kW | 71.1 | 71.1 |
| Tank capacity | Litres | 800 | 800 |
| Machine weight | Tons | 12 | 12 |
| Floor space (L × W × H) | m | 6.8 × 1.85 × 2.35 | 6.8 × 1.85 × 2.35 |
Key Features
- Shot weight up to 969 g (PS) and injection rate up to 339 cc/sec for large household articles
- Two screw options: the 65 mm screw reaches 1,539 kg/cm² injection pressure and the 70 mm screw gives shots up to 969 g (PS)
- Clamping stroke of 560 mm and 1185 mm daylight opening for moulds 200 to 625 mm thick
- Tie-bar space of 710 × 710 mm and platens of 1030 × 1050 mm
- Hydraulic ejector with 180 mm stroke and 7.5 tons force for deep houseware moulds
- Servo motor of 45 kW, with a total connected load of 71.1 kW
Applications
The H Series 350 Ton is commonly used for the largest household articles and industrial parts in the horizontal range, before moving to two platen machines.
The largest buckets and tubs in the H range
- Image to be provided by client
Large storage boxes and bins
- Image to be provided by client
Dustbins
- Image to be provided by client
Large trays and baskets
- Image to be provided by client
Stool and small table parts
- Image to be provided by client
Appliance housings
Large industrial components
Other H Series Models
- 120 TonH-120Screw optionsØ40Shot weight198 gView specs →
- 150 TonH-150Screw optionsØ45 · Ø50Shot weight286 – 353 gView specs →
- 180 TonH-180Screw optionsØ50 · Ø55Shot weight389 – 470 gView specs →
- 220 TonH-220Screw optionsØ55 · Ø60Shot weight513 – 610 gView specs →
- 260 TonH-260Screw optionsØ60 · Ø65Shot weight661 – 776 gView specs →
Need a Different Tonnage?
Compare the full H Series range from 120 to 350 tons and get a suitable recommendation.
Why Choose Pratishna Engineers?
- Application-Based Machine Selection
- In-House Engineering & Manufacturing
- Multiple Machine Series
- Production-Focused Solutions
- End-to-End Technical Support
- Industry-Specific Solutions
- Machine Lifecycle Support
Injection Moulding Machine Buyer Resources
Download practical resources to help you select, size and specify the right machine.
H Series 350 Ton Specification Sheet
The full H Series 350 Ton data for each screw option: screw diameter, shot weight, injection pressure and rate, clamping stroke, mould thickness, daylight, tie-bar space, platen size, ejector, motor power, weight and floor space.
Download PDFPDF · 80 KB- Image to be provided by client
H Series Catalogue
The H Series household articles range from 120 to 350 tons, with model and screw options, main features and applications.
Clamping Force & Shot-Size Calculation Guide
A clear method for calculating the clamping force and shot size your part needs, covering projected area, injection pressure, safety factor, number of cavities, part and runner weight, and material.
Download PDFPDF · 363 KB
FAQs / Buyer Questions
The answers our engineers give most often about the 350 Ton, before a specification is agreed.
What Is the H Series 350 Ton Injection Moulding Machine?
It is a horizontal plastic injection moulding machine from Pratishna Engineers, the largest model in the H Series, built for the biggest household articles and large industrial parts.What Can I Manufacture on a 350 Ton H Series Machine?
Typical products include the largest buckets and tubs in the h range, large storage boxes and bins, dustbins, large trays and baskets and stool and small table parts.How Do I Know if 350 Ton Is Enough for My Product?
Required clamping force depends on the projected area, wall thickness, flow length and material, with a safety factor. For household articles, shot weight, tie-bar space and mould height often decide the machine as much as clamping force. Share your product and mould details and Pratishna Engineers will confirm whether the 350 Ton is suitable.What Are the Screw Options on the H Series 350 Ton?
The 350 Ton is available with two screws: the 65 mm screw gives an 836 g shot at up to 1,539 kg/cm² and 292 cc/sec; the 70 mm screw gives a 969 g shot at up to 1,327 kg/cm² and 339 cc/sec. Clamping, ejector and general specifications are common to all screw options.What Mould Size Fits the 350 Ton?
The 350 Ton takes moulds 200 to 625 mm thick within a tie-bar space of 710 × 710 mm, on platens of 1030 × 1050 mm, with a 1185 mm daylight opening and 180 mm ejector stroke.
What Plastic Materials Can the 350 Ton Machine Process?
Depending on configuration, it can process PP copolymer, HDPE, SAN, ABS, PS and recycled PP blends used in household articles, as well as engineering plastics.If 350 Ton Is Not the Right Size, What Other Options Are There?
The H Series also offers 120 Ton, 150 Ton, 180 Ton, 220 Ton and 260 Ton models. Larger buckets, storage boxes and dustbins can move to the PHM Series two platen machines, and smaller parts to the E Series.Does Pratishna Provide Installation and After-Sales Support?
Yes. Installation, commissioning, operator training, spare parts and after-sales technical support are provided as part of Pratishna’s machine lifecycle services.How Do I Get a Price for the H Series 350 Ton?
Share your product drawing, material, part weight, mould dimensions, cavities, production quantity and cycle time, and Pratishna Engineers will evaluate the configuration and provide a quotation.
Related Blogs, Guides & Articles
350 Ton Toggle vs Two Platen Machine: Which Suits Your Mould?
350 ton toggle vs two platen: how stroke, mould height, daylight, platen support and bay length decide which clamp design suits your mould.
Moulding the Largest Household Articles on a 350 Ton Machine
Large household articles moulding at 350 t: clamp, flow length against wall, cooling time and ejection for big dustbins, baskets and stools.
Shot Weights Near 1 kg: Screw and Barrel Choice on a 350 Ton Machine
Large shot weight screw choice near 1 kg: why a 1 kg PS rating holds about 463 g of PP, what happens above 65% and how diameter trades volume for pressure.
What Can You Make on a 350 Ton Household Moulding Machine?
What a 350 ton household moulding machine can make: dustbins, stools, laundry baskets, large boxes and two-cavity moulds, with the clamp check for each.
Talk to Our Engineers
Planning a New Injection Moulding Project?
Share your component, material, mould and production target. Our engineering team will help you identify the right machine configuration.
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