INJECTION MOLDING ROBOT TECHNOLOGY

Engineered to move faster. Built to protect every mold.

Topstar injection molding robots combine high-speed servo motion, mold-protection logic and expandable automation control—so every take-out, insert and downstream action runs with greater certainty.

05 generations of robot technology
Topstar EUW Series Cartesian injection molding robot
3 m/s instantaneous linear speed
±0.05 mm repeatability
20% shorter acceleration / deceleration time
8S / 8C maximum suction or clamp expansion
1,500 programmable instruction lines
100 stored production programs

WHY THE ROBOT MATTERS

More than part removal: a controlled link in the molding cell.

An injection molding robot is a programmable linear automation system that enters the mold area to remove parts or sprues, place inserts, and coordinate downstream operations such as trimming, inspection, sorting and palletizing.

The right robot is selected by matching payload, stroke, take-out time, repeatability, end-of-arm tooling and communication requirements to the injection molding machine and the complete production process.

01

Shorter cycle time

High-speed motors and lighter moving structures reduce time inside the mold.

02

Lower tooling risk

Torque monitoring, ejector tracking and motion compensation protect the mold.

03

More process coverage

Expandable I/O and additional axes connect inserts, cutters and peripheral devices.

04

Visible production

MES and wireless functions expose status, output, alarms and maintenance information.

SIX TECHNOLOGY FOUNDATIONS

Control confidence from the servo axis to the factory floor.

Select a technology point to review the engineering evidence behind it.

TECHNOLOGY 01

A control platform that evolves with production

Topstar develops the robot control system in-house. Software can be updated over the product lifecycle, custom actions can be developed for special processes, and the same platform can coordinate non-standard automation equipment.

  • Lifecycle software upgrades
  • Custom process development
  • Non-standard equipment integration
Topstar Cartesian robot control system Topstar technical component

TECHNOLOGY 02

Closed-loop servo communication for stable motion

USB and RJ45 communication simplify wiring while supporting precise closed-loop control and strong interference resistance. The architecture can be configured with different motor platforms according to project requirements.

  • USB + RJ45 communication
  • Closed-loop control
  • Simplified wiring and maintenance
Topstar MEWE servo injection molding robot Servo motion platform

TECHNOLOGY 03

Enough I/O for the automation around the mold

The standard program retains at least 11 inputs and 11 outputs for expansion. A standard 4-suction/4-clamp configuration can be expanded to 8 suction or 8 clamp circuits for insert loading, trimming and peripheral interlocks.

  • 11+ spare inputs
  • 11+ spare outputs
  • Up to 8 suction or 8 clamp circuits
Topstar injection molding robot expandable control system Expandable control architecture

TECHNOLOGY 04

Ejector and core-pull interlocks protect valuable tooling

Forward and reverse control for the ejector and core pull is built in. When the product has not been removed, the controller prevents unsafe return actions to reduce the risk of mold, ejector-pin and part damage.

  • Ejector synchronization
  • Core-pull interlock
  • Opening-position compensation
Ejector pin soft floating control technology Mold protection technology

TECHNOLOGY 05

Store complex jobs without rebuilding programs

The robot teaching program supports up to 1,500 instruction lines, while the handheld controller can store up to 100 production programs—useful for plants running many molds and product variants.

  • Up to 1,500 instructions
  • Up to 100 production programs
  • Faster mold-change recovery
Topstar robot teaching and programming control system Teaching program interface

TECHNOLOGY 06

Turn each robot into a visible production node

Topstar’s wireless production platform enables remote review of robot status, output and maintenance information, helping production teams improve factory visibility and reduce manual management effort.

  • Remote operating status
  • Output visibility
  • Maintenance information
Topstar smart manufacturing and production visibility Smart manufacturing platform

PRODUCT PLATFORM

Four robot families. One control philosophy.

Choose the platform according to the production constraint that matters most: speed, balanced performance, dependable general automation or heavy-load flexibility.

HOW TO CHOOSE

Start with the production constraint—not the model name.

A correct injection molding robot selection protects cycle time, tooling and future automation capacity. Use the first filter below to identify a platform, then validate the seven engineering inputs with the application team.

RECOMMENDED STARTING POINT

EU / EUW Series

Choose T1 when minimum time inside the mold and stable precision at high speed are the dominant requirements.

✓Short molding cycles
✓Precision parts or inserts
✓Low moving mass is important
View EU series details ↗

Engineering note: this is a first-stage guide. Final selection requires complete machine, mold, part, tooling and cell-layout data.

RECOMMENDED STARTING POINT

MDE / MEWE Series

Choose T3 when production needs a practical balance of speed, rigidity, payload and automation connectivity.

✓Continuous multi-shift output
✓Moderate or heavy tooling
✓MES and peripheral integration
View MEWE series details ↗

Engineering note: this is a first-stage guide. Final selection requires complete machine, mold, part, tooling and cell-layout data.

RECOMMENDED STARTING POINT

TMDE / TMEWE Series

Choose T4 for dependable take-out and straightforward automation where mold protection and safety are the priorities.

✓Standard part or sprue removal
✓Ejector and core-pull protection
✓Expandable suction and clamp circuits
View MDE series details ↗

Engineering note: this is a first-stage guide. Final selection requires complete machine, mold, part, tooling and cell-layout data.

RECOMMENDED STARTING POINT

MBW / MBWE Series

Choose MBW for high-tonnage machines, long strokes, heavy end-of-arm tooling and multi-axis insert or downstream processes.

✓Large molded products
✓High payload and long stroke
✓C/AC/BC axis or custom tooling
View MBW series details ↗

Engineering note: this is a first-stage guide. Final selection requires complete machine, mold, part, tooling and cell-layout data.

01

Machine & mold

IMM tonnage, tie-bar spacing, mold height, opening stroke and ejector arrangement.

02

Reach & stroke

Vertical, crosswise and traverse travel plus placement height and safe clearances.

03

Dynamic payload

Part, sprue, inserts, gripper, sensors and the center of gravity under acceleration.

04

Cycle target

Mold-open window, minimum take-out time and the total dry-cycle requirement.

05

Precision

Repeatability requirement, insert tolerance and release path from the mold.

06

Process scope

Suction/clamp points, C/AC/BC axes, feeders, cutters, inspection and palletizing.

07

Integration

IMM signals, spare I/O, MES communication, wireless monitoring and safety logic.

SERIES DECISION MATRIX

Match the platform to the work inside and outside the mold.

This matrix translates Topstar’s robot platform differences into a practical purchasing decision. Exact model specifications should be confirmed against the final cell design.

Decision point EU / EUW MDE / MEWE TMDE / TMEWE MBW / MBWE
Primary advantage Maximum speed and precision Balanced high performance Practical safety and flexibility Heavy-load, long-stroke automation
Best process fit Fast take-out, precise inserts Continuous multi-task production General part and sprue removal Large parts, inserts and downstream work
Motion evidence 3 m/s; 6,500 r/min motor 2.8 m/s; 750 W platform Ejector tracking and anti-tip limit 30% higher arm-motor power
Structural evidence A6061 arm; 200 × 150 mm travel beam 20% higher rigidity; lower vibration Safety-focused classic platform Dual guide rails; six-slider support
Automation expansion High-precision take-out / insert MES, 8S / 8C and special commands MES, 8S / 8C and special commands C, AC and BC axis options

MBWE PLATFORM EVOLUTION

Higher payload without giving up controlled motion.

For large injection molding machines, the MBWE V platform combines increased motor power, longer stroke options and motor-driven arm motion. The performance figures below come from Topstar’s technical presentation.

+30% arm motor power improvement
+20% payload capability improvement
-10% integrated drive energy use
Model Payload Arm stroke Take-out
MBWE-110V 8 kg 1,200 / 1,400 mm 1.4 s
MBWE-130V 15 kg (20 kg option) 1,300 / 1,500 / 1,700 mm 1.8 s
MBWE-170V 25 kg (30 kg option) 1,700 / 2,000 / 2,300 mm 3.8 s

Take-out time is a model performance reference; actual cycle performance depends on mold, stroke, payload, tooling and motion path.

PROVEN APPLICATION RANGE

From take-out to a complete non-standard automation cell.

Topstar robot platforms support 3C electronics, home appliances, automotive parts, daily necessities, medical products and new-energy manufacturing.

Topstar central take-out automation cell
LINEAR ROBOT

Central take-out cells

Coordinated removal across multiple injection molding machines and centralized conveying.

Topstar two-machine transfer automation
TRUSS AUTOMATION

Two-machine transfer

Product transfer between machines, external equipment, sorting and palletizing.

Topstar automotive insert molding automation
MBW + EOAT

Automotive insert molding

Integrated take-out and insert placement for automotive acoustic and structural parts.

Topstar fitting insert and trimming automation cell
NON-STANDARD CELL

Fitting insert and trimming

Continuous metal-part feeding, insert loading, stable removal and gate trimming.

TECHNICAL FAQ

Questions engineers ask before selecting a robot.

Clear answers for early-stage specification. Final configuration is confirmed from project data and application review.

Start with the injection molding machine tonnage and mold-opening geometry, then confirm vertical, crosswise and traverse strokes. Calculate the combined weight of the molded part, sprue and end-of-arm tooling, add a safe payload margin, and finally verify take-out time, repeatability, I/O and any MES or downstream-equipment requirements.

Do not size the robot by part weight alone. Include the gripper, vacuum components, sensors, inserts and cables. A project engineer should also check the center of gravity and motion profile because an offset load at high acceleration can be more demanding than the same static weight close to the arm.

Three-axis servo control suits precise take-out and placement along linear paths. A 5-axis configuration is preferred when the process needs more flexible orientation, insert loading, complex release angles or coordinated downstream placement. C, AC or BC axes can extend MBW systems for special tooling.

The control platform combines servo torque monitoring, ejector tracking, mold-opening position compensation and ejector/core-pull interlocks. These functions help the robot respond to deviations and prevent unsafe actions before the product has been removed.

Yes. The standard program keeps at least 11 inputs and 11 outputs available for expansion, and suction/clamp circuits can be expanded for multi-point tooling. The robot can interlock with insert feeders, cutters, conveyors, inspection devices and factory information systems.

Provide the injection molding machine model and tonnage, mold dimensions, platen and opening data, product and sprue weight, end-of-arm tooling concept, required take-out and cycle times, placement layout, insert or trimming steps, utility standards and communication requirements.

APPLICATION ENGINEERING

Send the process. We will define the motion.

Share your machine, mold, part, cycle and downstream-process data to receive a robot platform and configuration recommendation.

Discuss your robot application →

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