350 Ton Two Platen Injection Moulding Machine (PHM Series)
The PHM 350 Ton is a two platen hydro-mechanical injection moulding machine from Pratishna Engineers, built for large crates, stools, small tables and large housings that need high clamping force and a long opening stroke. It offers two screw options of 75 and 80 mm with shot weights of 1,311 and 1,492 g (PS), a 1350 mm clamping stroke and a 1650 mm daylight opening.
Pratishna Engineers is one of the top and trusted 350 ton two platen injection moulding machine manufacturers in India. Based in Mumbai, the company brings 35+ years of machine-building experience and has supplied 9,000+ machines to 1,000+ customers, and its hydro-mechanical two platen machines were among the first of their kind developed in India, backed by in-house engineering and after-sales support.
- Clamping force
- 350 T
- Screw options
- Ø75 · Ø80
- Shot weight
- 1311 – 1492 g
Specifications, applications and a quotation for the 350 Ton
PHM 350 Ton Specifications
The PHM 350 Ton is available in two screw configurations: A (Ø75 mm) and B (Ø80 mm). Injection unit values vary by screw; clamping, ejector and general specifications are common to both. Specifications are subject to change in line with continuous product development.
Injection unit | Option A | Option B | |
|---|---|---|---|
| Specification | Unit | 75 mm | 80 mm |
| Screw diameter | mm | 75 | 80 |
| Screw L/D ratio | — | 18:1 | 16.8:1 |
| Max. swept volume | cm³ | 1457 | 1658 |
| Max. shot weight (PS) | g | 1311 | 1492 |
| Max. injection pressure | kg/cm² | 1643 | 1444 |
| Rate of injection | cc/sec | 406 | 462 |
| Screw speed | rpm | 250 | 250 |
| Nozzle force | Tons | 7.5 | 7.5 |
Hydraulic ejector | Option A | Option B | |
|---|---|---|---|
| Specification | Unit | 75 mm | 80 mm |
| Ejector stroke | mm | 250 | 250 |
| Ejector force | Tons | 12 | 12 |
Locking unit | Option A | Option B | |
|---|---|---|---|
| Specification | Unit | 75 mm | 80 mm |
| Mould clamping force | Tons | 350 | 350 |
| Mould clamping stroke | mm | 1350 | 1350 |
| Mould thickness (min – max) | mm | 300 – 800 | 300 – 800 |
| Max. daylight opening | mm | 1650 | 1650 |
| Space between tie bars (H × V) | mm | 720 × 720 | 720 × 720 |
| Platen size | mm | 1195 × 1250 | 1195 × 1250 |
General | Option A | Option B | |
|---|---|---|---|
| Specification | Unit | 75 mm | 80 mm |
| Servo driven pump | kW | 48.2 | 48.2 |
| Heating capacity | kW | 32.8 | 32.8 |
| Total connected load | kW | 81.0 | 81.0 |
| Tank capacity | Litres | 1000 | 1000 |
| Machine weight | Tons | 14 | 14 |
| Floor space (L × W × H) | m | 6.7 × 2.0 × 2.35 | 6.7 × 2.0 × 2.35 |
Key Features
- Hydro-mechanical locking with balanced clamping force across the mould face, which reduces corner flash on large parts
- Clamping stroke of 1350 mm and 1650 mm daylight opening for deep moulds 300 to 800 mm thick
- Two screw options: the 75 mm screw reaches 1,643 kg/cm² and the 80 mm screw gives shots up to 1,492 g (PS)
- Tie-bar space of 720 × 720 mm and platens of 1195 × 1250 mm
- Hydraulic ejector with 250 mm stroke and 12 tons force
- Servo-driven pump of 48.2 kW and much less oil than a ram or direct-lock machine
- Moving platen on a linear motion guide, and Vignan SV 84 controller with 150 mould programs
Applications
The PHM 350 Ton is commonly used for the largest parts in the documented PHM range, where shot weights approach 1.5 kg.
Large crates and milk crates
Stools and small tables
- Image to be provided by client
Large dustbins
- Image to be provided by client
Large storage boxes
- Image to be provided by client
Air cooler and appliance parts
- Image to be provided by client
Two-wheeler panels
Large industrial components
Other PHM Series Models
Need a Different Tonnage?
Compare the full PHM Series range from 160 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.
Two Platen 350 Ton Specification Sheet
The full PHM 350 Ton data for both screw options: screw diameter, shot weight, injection pressure and rate, clamping stroke, mould thickness, daylight, tie-bar space, platen size, ejector, pump power, weight and floor space.
Download PDFPDF · 80 KB- Image to be provided by client
Two Platen Injection Moulding Machine Brochure
The PHM Series range from 160 to 350 tons, with screw options, clamping and ejector data, controller 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 PHM 350 Ton, before a specification is agreed.
What Is the PHM 350 Ton Two Platen Injection Moulding Machine?
It is a hydro-mechanical two platen injection moulding machine from Pratishna Engineers, built for large crates, stools, small tables and large housings that need high clamping force and a long opening stroke.What Can I Manufacture on a 350 Ton Two Platen Machine?
Typical parts include large crates and milk crates, stools and small tables, large dustbins, large storage boxes and air cooler and appliance parts.Why Choose a Two Platen Machine Instead of a Toggle Machine at 350 Tons?
The PHM 350 Ton opens 1350 mm with 1650 mm daylight, so deep parts such as buckets and bins can be released, while the machine stays shorter than a toggle machine of similar tonnage. Clamping force is applied at the tie bars, which keeps large flat moulds closed evenly.What Are the Screw Options on the PHM 350 Ton?
The 350 Ton is available with two screws: the 75 mm screw gives a 1,311 g shot at up to 1,643 kg/cm² and 406 cc/sec; the 80 mm screw gives a 1,492 g shot at up to 1,444 kg/cm² and 462 cc/sec. Clamping, ejector and general specifications are common to both.What Mould Size Fits the PHM 350 Ton?
It takes moulds 300 to 800 mm thick within a tie-bar space of 720 × 720 mm, on platens of 1195 × 1250 mm, with a 1350 mm stroke and 250 mm ejector stroke.
Can the Clamping Force or Opening Stroke Be Increased?
Yes. Clamp force and opening stroke can be increased on demand for applications that need more than the standard specification, subject to evaluation of the mould and part.If 350 Ton Is Not the Right Size, What Other Options Are There?
The PHM Series also offers 160 Ton, 200 Ton and 250 Ton models. Smaller parts can move to the H or C Series horizontal machines.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 PHM 350 Ton?
Share your product drawing, material, part weight, mould dimensions and height, cavities, production quantity and cycle time, and Pratishna Engineers will evaluate the configuration and provide a quotation.
Related Blogs, Guides & Articles
Large Crates and Tables on a 350 Ton Two Platen Machine
What a 350 t plastic table making machine can mould: crate and table top sizes by clamp, tie-bar fit for wide moulds, PP grades and warpage control.
Shot Weights Up to 1.5 kg: Screw Choice on a 350 Ton Machine
Large shot weight injection moulding on a 350 t machine: what a 1.5 kg PS rating gives in PP, screw size versus pressure, and residence time.
What Can You Make on a 350 Ton Two Platen Machine?
What a 350 ton two platen machine can make: pails, dustbins, crates, stools and small tables, with the clamp check and the parts that need more tonnage.
When to Choose a 350 Ton Two Platen Over a Toggle Machine
350 ton two platen vs toggle: how the clamps differ, the mould height where opening decides, the tallest part each takes and what changes in running cost.
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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