In short
What it is - Vertical micro-shot LSR injection molding machine using a magazine-style piston (plunger) feeding system, designed to mold precision micro liquid silicone parts without an external metering/dosing unit.
Range - 3 models, 40–50 T clamping force, configurable micro shot volume (4.8 / 10 g), tie-bar windows 300×350 mm and 240×280 / Φ620 mm (rotary-table option).
Built for -Precision micro components, implantable-grade and long-term-contact medical parts, micro seals and grommets, electronic micro parts, and LSR material R&D / validation testing with frequent material changeover.
Supplier - Guangzhou TYM, ISO 9001 & 13485, also supplies cold-runner molds, OEM parts and turnkey lines.
BUILT INTO EVERY MODEL
Key features of the TYM Micro LSR injection molding machine
Six characteristics that define how the TYM Micro machine run on the production floor.
Magazine-style piston feeding
A small pre-charged LSR barrel loads directly into the machine, so no external metering pumps, mixers, or feed lines are needed. Setup is cleaner and changeover is faster.
Micro-shot precision plunger barrel
A ~4.8 g precision plunger barrel with theoretical metering resolution to 0.0032 g, using a bipolar plunger design for stable, repeatable micro dosing - shot after shot.
Vertical clamping for micro & insert molding
The vertical layout suits gravity-assisted loading of tiny parts and over-molding onto small inserts, keeping micro components correctly positioned during injection.
Rotary-table option for continuous output
The TYM-R620 adds a Φ620 mm rotary table, alternating molding stations to reduce idle time and support continuous micro-part production.
Engineered for precision & implantable-grade parts
Repeatable micro metering supports precision components used in long-term-contact and implantable medical applications, where consistency and cleanliness are critical.
Low-waste material validation
The small charge volume means minimal material consumption, letting labs and product teams qualify new LSR grades and run small validation batches quickly and cost-effectively.
DOSING & INJECTION
How the Micro LSR molding system works
Two-component liquid silicone moves from drum to cured part in one continuous, metered path.
Cartridge Loading
A pre-charged LSR barrel is loaded into the magazine-style feed. No external dosing system required.
1
>>
Plunger Metering
The precision plunger doses a fixed micro shot, with theoretical resolution down to 0.0032 g.
2
>>
Injection
The direct-pressure plunger injects the metered silicone into the closed micro mold.
3
>>
Heat Curing
The heated LSR mold vulcanizes the part to its final shape.
4
>>
Demolding
Precision ejection releases the cured micro part cleanly from the cavity.
5
>>
Changeover
Swapping the barrel enables rapid material or color changeover for the next run.
6
FULL DATA
Specifications
The model number encodes the tie-bar window - R620 = 300×350 mm.
Shot volume is configurable per order: 4 / 8 / 10 g. Strokes marked adj. are adjustable; ranges may be further customized.
| Model | Clamping force | Tie-bar space |
Opening stroke |
Injection rate | Injection pressure | Ejection (force / stroke) | Pump pressure | Motor power | Machine weight | Dimensions (L×W×H) |
|---|---|---|---|---|---|---|---|---|---|---|
| TYM-V3035 | 50 T |
300×350 mm |
135-535mm | 30 g/s | 700 kg/cm² | 1.5 T / 100 mm | 20 MPa | 12 kW | 2 T | 1.5×1.2×2.3 m |
| TYM-R620 | 40 T |
240×280 Φ620 mm |
100–400mm | 30 g/s | 700 kg/cm² | 2.5 T / 60 mm | 20 MPa | 12 kW | 4.2 T | 1.5×1.7×2.5 m |
| TYM-L2428 | 40 T |
240×280 Φ620 mm |
100–400mm | 30 g/s | 700 kg/cm² | 2.5 T / 60 mm | 20 MPa | 12 kW | 2.5 T | 1.38×1.58×2.8 m |
WHREE IT RUNS
Typical applications
The vertical micro layout suits the smallest precision silicone parts, insert molding, and fast material qualification.
COOPERATION
Our cooperation process

QUESTIONS
Frequently asked questions
What products can the Vertical Micro series produce?
It is built for precision micro LSR components - including micro seals and valves, electronic micro parts, small wearable components, and precision parts for implantable and long-term-contact medical applications.
What is "magazine-style piston feeding," and why does it matter?
A small pre-charged LSR barrel loads directly into the machine, so you don't need external metering pumps, mixers, or feed lines. That means a cleaner setup, faster material changeover, and less waste - ideal for micro batches and R&D.
How accurate is the micro metering?
The precision plunger barrel is approximately 4.8 g, with a theoretical metering resolution of 0.0032 g. A bipolar plunger design keeps micro shots stable and repeatable.
Is it suitable for implantable medical parts?
Yes - the machine is designed for the repeatability and cleanliness needed to produce precision components for implantable and long-term-contact applications. Final device qualification also depends on the mold, the medical-grade LSR used, the cleanroom environment, and the customer's own validation.
Can I use it for material validation and R&D?
Yes. Because each shot uses very little material, you can qualify new LSR grades and run small validation batches quickly and at low cost.
What is the difference between the TYM-V3035, TYM-R620, and TYM-L2428?
The TYM-V3035 is the standard vertical micro machine (50 T, larger 300×350 mm window). The TYM-R620 adds a Φ620 mm rotary table for multi-station continuous production. The TYM-L2428 offers the same micro capability in a compact footprint.
Do you provide micro molds and automation?
Yes. TYM designs and manufactures custom micro LSR molds and cold-runner systems, and supplies OEM parts and complete turnkey automation lines for the Vertical Micro series.
Hot Tags: micro injection molding machine— precision micro-shot & implantable-grade silicone parts, China micro injection molding machine— precision micro-shot & implantable-grade silicone parts manufacturers, suppliers, factory, liquid injection molding, liquid silicone overmolding, Lsr Vertical Injection Molding Machine, Rubber Vertical Injection Molding Machine, vertical injection molding machines, vertical molding machine



















