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According to the MIR Databank China Injection Molding Robot Insight Report (hereinafter referred to as the "Report"), total sales of injection molding Cartesian robots in China reached 95,257 units in 2025. Topstar ranked first in shipment volume for two consecutive years, with a market share of 10.1% in 2025.

This No. 1 market share stems from Topstar's continuous tracking of the real pain points on injection molding production lines. The Report points out that while the front‑end injection speed has now exceeded 800 mm/s, the back‑end extraction (pick‑and‑place) stage still suffers from delays, insufficient precision, and cumbersome maintenance. To address these issues, Topstar has launched a new product – the T1 Cartesian robot (hereinafter referred to as the "T1") – enabling high‑efficiency, high‑precision, and stable mass production.

1. FAST – 20% efficiency increase to fully unleash line capacity

Take the 80‑series Cartesian robot with a 1,000 mm up‑and‑down stroke as an example. Its maximum instantaneous speed reaches 3 m/s. The T1 reduces in‑mold time from 1.4 s to 0.99 s, and the full cycle time from 6 s to 5 s. This speed increase results in a 20% efficiency gain, ensuring that pick‑and‑place is no longer a bottleneck and the line can run at its full speed capacity.

2. PRECISE – Micrometer‑level positioning, zero damage to high‑end precision parts

The Report notes that a repeatability of ±0.01 mm is one of the core trends for Cartesian robots, meeting the precision injection molding requirements of high‑end electronics and medical sectors.

The T1 achieves a repeatability of ±0.02 mm. Equipped with a 23‑bit absolute encoder, it provides over 8 million position points per revolution, ensuring that the absolute motor's repeatability is stable at the micron (μ) level. Digital signal transmission is adopted to avoid the electromagnetic interference issues inherent to analog signal transmission, further securing position feedback accuracy. Each pick‑and‑place operation is precisely positioned, with no collision or deviation – the difference in yield is the difference in profit.

3. STABLE – 65 days of maintenance‑free operation + power‑loss memory, eliminating hidden downtime costs

Equipment maintenance and commissioning time represent hidden costs on the production floor. The T1 incorporates two key design features to "reduce downtime."

First, the high‑rigidity aluminum alloy body, together with a self‑lubricating system, allows the slider assembly to run continuously for up to 65 days without manual lubrication. Second, the absolute encoder has a built‑in power‑loss position memory. After an unexpected power outage, there is no need to return to the home position; when power is restored, the system runs directly without any commissioning.

In addition, the T1 offers a maximum load of 7 kg, accommodating complex end‑effector fixtures and flexibly adapting to various process requirements.

4. T1 Cartesian Robot – The preferred choice for precision injection molding

From precision 3C electronic components to medical consumables, the T1 enables injection molding pick‑and‑place to accelerate on both high‑precision and high‑efficiency tracks simultaneously. If you are focusing on efficiency breakthroughs and yield improvements on your injection molding line, click here to contact us now and receive priority one‑on‑one model selection advice – seize the opportunity for high‑efficiency injection molding production.

In the future, Topstar's Cartesian robots will be equipped with a new circular interpolation technology, enabling smooth, non‑stop cornering with a single command, effectively reducing mechanical impact and increasing operating tempo. Please stay tuned for more!