Three machine series covering 75 to 350 tons for general engineering, container, household and thin wall plastic components.
A horizontal injection molding machine arranges the injection unit and clamping unit along a horizontal axis, with the mould mounted vertically between the platens. This layout supports repeatable production, straightforward mould handling and integration with part removal and downstream automation.
Pratishna Engineers Ltd. offers E, C and H Series horizontal injection molding machines covering 75 to 350 tons. Machine selection is based on the component, plastic material, shot requirement, projected area, mould dimensions, number of cavities, cycle target and planned production volume.
Share your component and mould information with our engineering team to identify a suitable series, clamping force and injection-unit configuration.
Pratishna's horizontal range is organised into three machine series. Each series covers a different combination of injection capacity, pressure and typical application. Tonnage alone does not determine the correct series — two machines with a similar clamping force may have different injection units and application suitability.
Start with the component and mould, not with tonnage alone. The E, C and H Series overlap across several clamping-force bands, but they are not interchangeable in every application. The required shot weight, injection pressure, screw and barrel configuration, mould fit and expected output determine the appropriate series.
Choose the E Series when the application requires a balanced general-purpose configuration for electrical, engineering or standard moulded components. Consider the C Series for container and higher shot requirement applications. Consider the H Series for household articles and selected thin wall parts where the required injection response matches the application. Final selection should be confirmed from the component and mould data.
The E Series covers six models from 75 to 180 tons.
The C Series covers five models from 140 to 320 tons. Machine suitability should be confirmed against the required shot weight, mould and container application.
The H Series covers six models from 120 to 350 tons for suitable household and selected thin wall applications.
Send us your component drawing or sample, plastic material, part and runner weight, mould dimensions, cavity count and target production volume. Our engineering team will review the application and recommend a suitable horizontal machine series and configuration.
Watch a Pratishna horizontal injection molding machine complete a production cycle. The final machine configuration, cycle sequence and available equipment depend on the component, mould, polymer and production target.
Horizontal machine operating cycle showing mould clamping, injection, cooling, opening and part ejection.
A horizontal injection molding machine is a plastic-processing machine in which the injection unit and clamping unit are arranged along a horizontal axis. The mould is mounted vertically between the platens. During each cycle, plastic is melted in the barrel, injected into the closed mould, cooled and ejected as a finished component.
The horizontal layout is widely used for standard thermoplastic components because moulds can be mounted between vertical platens, released parts can fall away from the mould area, and automation can be integrated for part removal, inspection, conveying or downstream handling.
A horizontal machine is not automatically the correct choice for every component. Insert moulding, overmoulding, very large moulds or special process requirements may require a vertical, two-platen or purpose-built machine.
The cycle settings depend on the polymer, part geometry, wall thickness, mould design, cooling arrangement and quality requirement. Process settings should be established during mould trials and validated for the production application.
The main difference is the direction of the clamping axis and the way the mould and inserts are positioned. That difference affects floor layout, insert handling, automation and the types of components each machine can produce efficiently.
| Selection Factor | Horizontal Machine | Vertical Machine |
|---|---|---|
| Clamp arrangement | Horizontal axis with the mould mounted vertically between the platens | Vertical axis with the mould generally positioned horizontally |
| Typical use | Standard production of complete thermoplastic components | Insert moulding and overmoulding where gravity helps position the insert |
| Part handling | Released components can fall away or move to downstream handling | Parts and inserts may require manual or automated loading and removal |
| Automation | Well suited to robot, conveyor and downstream handling integration | Automation is possible but depends on insert loading and mould access |
| Floor requirement | Usually requires more horizontal floor length | Often uses less floor area but greater height |
| Selection caution | Confirm part, mould and automation requirements | Confirm insert positioning, operator access and cycle requirements |
Choose the machine orientation from the production process. A component requiring an insert to remain accurately positioned during mould closing may favour a vertical machine. A standard high-output component that can be ejected and handled automatically will often favour a horizontal machine.
Clamping force keeps the mould closed against the pressure generated inside the cavities during injection. The required force is influenced by the projected area of the parts and runner, the number of cavities, polymer behaviour, wall thickness, gate and runner design and the expected cavity pressure.
A preliminary estimate can be expressed as projected moulded area multiplied by an appropriate cavity-pressure factor, followed by a suitable engineering margin. The calculation must use consistent units and should be checked against the actual mould and material data before a machine is selected.
Too little clamping force can allow the mould to open and cause flash or inconsistent parts. Excessive oversizing increases capital cost and may increase energy use without improving the component.
Provide as much of the following information as is available. A drawing or sample and the mould data allow a more reliable recommendation than tonnage alone.
Horizontal machines are used across industries that require repeatable moulding of thermoplastic components. The correct machine depends on the part and process; the examples below indicate common application groups rather than guaranteed suitability for every model.
The actual benefit depends on correct sizing and process design. A machine that is oversized, undersized or poorly matched to the mould will not deliver the expected production result.
The available equipment varies by series, model and project. Confirm the final supply scope in the commercial and technical quotation.
| Equipment or Option | Purpose | Confirm Before Ordering |
|---|---|---|
| Screw and barrel configuration | Matches the polymer, shot requirement and processing behaviour | Material grade, additives, corrosion or wear considerations |
| Core-pull circuits | Operates mould slides, side cores and undercut mechanisms | Number, pressure, flow and sequence |
| Ejector options | Supports component release from the mould | Stroke, force, sequence and air-ejector requirement |
| Hopper dryer and loader | Dries and transfers material to the machine | Polymer moisture sensitivity, throughput and hopper size |
| Mould-temperature controller | Maintains controlled mould temperature | Heating and cooling load, medium and number of circuits |
| Chiller | Removes process heat and supports cycle control | Cooling load, water quality and site conditions |
| Robot or sprue picker | Removes parts or runners and supports automated handling | Payload, reach, cycle time and machine interface |
| Conveyor | Moves parts away from the moulding area | Part size, orientation, inspection and downstream destination |
| Energy monitoring | Tracks machine energy use for production analysis | Measurement scope and reporting requirement |
| Safety guarding | Restricts access to moving and hot areas | Applicable machine configuration and site safety requirements |
Depending on the selected screw, barrel, temperature control and machine configuration, horizontal injection molding machines may process common thermoplastics and engineering plastics. Confirm the exact polymer and grade before ordering.
| Material Family | Typical Processing Consideration |
|---|---|
| PP and PE | Shot size, cooling, shrinkage and application-specific screw selection |
| PS and ABS | Temperature control, surface quality and drying where required |
| PA or Nylon | Moisture control, drying, temperature and wear considerations |
| PC | Drying, temperature control and residence-time management |
| POM | Controlled processing temperature, residence time and safe purging procedure |
| Filled or reinforced polymers | Wear-resistant screw and barrel considerations may apply |
Material suitability must be confirmed from the resin supplier's processing guidance and the final machine specification.
A horizontal machine can be integrated with part-removal robots, sprue pickers, conveyors, cavity sensors, vision inspection, weighing, leak testing, assembly or packing systems. The automation concept should be defined with the mould and cycle because access, timing, part orientation and reject handling affect the complete cell layout.
Share the part, mould sequence, expected cycle, required output and downstream process when requesting an automation-ready machine configuration.
Energy consumption per component depends on the machine drive system, heater demand, clamping requirement, cycle time, cooling system and how closely the machine is matched to the application. Selecting a machine only by the next larger tonnage can increase both purchase cost and energy use.
Compare machines using the expected production cycle and total cost of ownership. Ask for connected-load information, available drive configuration, heater rating and any energy-monitoring option. Actual consumption should be measured during a representative production trial wherever possible.
A machine purchase should include a clear understanding of installation requirements, commissioning responsibility, operator guidance, warranty terms, preventive maintenance and spare-parts support. Confirm the exact service scope and response arrangement in the quotation.
A horizontal toggle machine is not the correct configuration for every project. Pratishna's other machine categories can be considered when the mould, component or process requires a different arrangement.
The answers our engineers give most often about horizontal injection molding machines, before a specification is agreed.
Share your application details and let Pratishna recommend the right machine, configuration and production approach.
Request a Machine Recommendation →It is a plastic injection molding machine in which the injection unit and clamping unit are arranged along a horizontal axis. The mould is mounted vertically between the platens, and the component is released after the mould opens and the ejector operates.
The listed horizontal range covers 75 to 350 tons across the E, C and H Series. Final suitability depends on the projected area, mould, material, cavities, shot requirement and production target.
The series cover different application and injection requirements. The E Series is positioned for general engineering and electrical work, the C Series for suitable container and higher shot applications, and the H Series for suitable household and selected thin wall parts. Confirm the final series from current model data and the application review.
Required clamping force depends mainly on the projected area of the parts and runner, cavity count, polymer and expected cavity pressure. The mould dimensions, shot requirement, opening and ejector needs must also fit the selected machine.
Send the component drawing or sample, plastic material and grade, part and runner weight, number of cavities, mould dimensions, mould height, required opening, target cycle and planned production quantity.
Yes. Share the mould drawing and details such as overall dimensions, mould height, tie-bar clearance requirement, mould weight, opening stroke and ejector requirement. Compatibility must be confirmed against the selected model specification.
The suitable materials depend on the screw, barrel and machine configuration. Common thermoplastics may include PP, PE, PS, ABS, PA, PC and POM. Filled, corrosive or wear-sensitive materials may require a specialised screw and barrel configuration.
Yes. Depending on the component and mould, the machine can be integrated with a robot, sprue picker, conveyor, inspection system or downstream handling. Define the automation requirement before the machine layout is finalised.
Consider a vertical machine when inserts must be positioned and retained during mould closing, or when the component and process are better suited to insert moulding or overmoulding.
Consider a two-platen machine when the mould size, platen requirement or required clamping force is beyond the suitable range of the standard horizontal toggle machines.
Price depends on series, tonnage, injection unit, screw and barrel, controls, auxiliaries, automation and the agreed service scope. Share the application and required configuration for a current quotation.
Machines with the same clamping force can require different injection units, screws, controls, auxiliaries and automation. A fixed price without the application details may not represent the equipment required for the project.
Installation, commissioning and operator-support requirements can be included according to the agreed quotation and supply scope. Confirm site readiness, responsibilities, travel terms and the training scope before ordering.
Confirm warranty terms, technical-support channels, preventive-maintenance requirements, recommended spare parts, service coverage, response arrangements and chargeable service conditions.
Lead time depends on the selected model, configuration, current production schedule, bought-out equipment, automation and inspection requirements. Request the current committed schedule with the quotation.
Pratishna Engineers Ltd. Limited is an Indian manufacturer of injection molding machines founded in Mumbai in 1991. The company manufactures horizontal, two-platen, PET and special-purpose injection molding machines for plastic-processing applications.
Machine selection is based on the component, polymer, mould, shot requirement and production target. Pratishna's engineering, manufacturing, assembly, testing and service teams support customers from application discussion through machine supply and lifecycle requirements.
Share your component, material, mould and production target. Pratishna's engineering team can use these details to identify a suitable machine series, clamping-force range, injection-unit configuration and supporting equipment.
