ISBM Injection Blow
Molding Machine

Six models from 40 to 135 tons — including a fully electric option — covering 1 ml to 2,000 ml containers with zero-waste one-step IBM process. Trusted by converters in pharmaceutical, cosmetics, food, and daily-chemical packaging across 8+ countries.

6
Machine Models
1-2000ml
Bottle Range
8+
Countries Served
0
Preform Waste

How Does an ISBM Injection Blow Molding Machine Actually Work?

Unlike two-step reheat-blow systems, the one-step IBM process does everything in a single continuous rotation — no preform storage, no reheating, no trimming scrap. The rotary turret moves through three stations simultaneously, so each cycle is always producing, blowing, and stripping at the same time.

Key result of the one-step process: All three stations run simultaneously — while one set of cavities is injecting, the previous set is blowing, and the set before that is stripping. This parallel operation keeps cycle times at 3.5–4 seconds for hydraulic models and just 2.5 seconds on the fully-electric ZQ60HE.

ISB Injection Blow Molding Machine OPEARTING PRINCIPLE
01

Stock Preparation & Injection

Plastic pellets (HDPE, PP, PET, PS, PC, etc.) feed into the injection barrel via the auto-loader. The screw melts and meters the resin, then injects it at controlled pressure around the core rod — forming a precise preform inside the injection mold at Station 1.

02

Turret Rotation with Retained Heat

The rotary table indexes the preform — still on the core rod, still holding injection heat — to the blow station. Because no reheating is needed, energy is not wasted and the wall temperature stays homogeneous from inner to outer surface.

03

Blow Molding

Pressurised air (0.7–1.2 MPa) expands the preform against the blow mold cavity walls, forming the final bottle shape. Wall thickness uniformity is ±1% — versus 10–20% variation typical of extrusion blow — because the preform controls material distribution from the start.

04

Cooling & Stripping

Mold cooling water circuits solidify the bottle. The rotary table indexes once more to the stripping station, where finished bottles eject cleanly onto the outfeed conveyor — with no flash trimming, no bottom weld line, and no separate bottle-handling step required.

مدل Drive Clamping (KN) Screw Ø (mm) Shot Wt (g) Dry Cycle (s) Total Power (KW) Max Cavity @ 10ml Footprint (M)
ZQ40 Hydraulic 400 40/45 190/260 3.5 20 9 3.5×1.3×1.7
ZQ60 Hydraulic 600 45/50 260/383 4 37 14 3.8×1.4×1.8
ZQ80 Hydraulic 800 55 466 4 55 20 4.5×1.6×2
ZQ110 Hydraulic 1,100 65 540 4 80 20 5×1.8×2.2
ZQ135 Hydraulic 1,350 70 650 4 95 30 5.5×2×2.4
ZQ60HE
All-Electric 400–800 45/50 280/360 2.5 90 3×1.3×1.7

Injection Blow vs. Extrusion Blow — Side by Side

Not all blow molding is the same. Here’s an honest comparison of why IBM (injection blow) and EBM (extrusion blow) each exist — and which situations favour each technology.

# Comparison Factor Injection Blow (IBM) — ZQ Series Extrusion Blow (EBM)
1 Bottle Weight Consistency ±1% shot-to-shot weight variation ±3% typical weight variation
2 Wall Thickness Uniformity Highly uniform — controlled by preform 10–20% wall thickness variation
3 Bottle Neck / Thread No flash, no pinch-off — flat and precise Pinch-off seam reduces base strength
4 Bottom Convexity Clean, even convexity — no weld line Poor convexity, weld line at base
5 Material Waste / Scrap Zero production scrap 20–40% parison trim scrap
6 Minimum Wall Thickness Limited on very thin walls Controller-adjustable for thin walls
7 Environmental Sensitivity Low sensitivity — stable in variable conditions Frequent adjustment needed
8 Cavitation & Output High cavity count, flat neck finish Fewer cavities, uneven neck finish
9 Mold Service Life Long service life — suitable for long runs Shorter mold life — lower tooling cost entry
10 Machine Footprint Compact, few auxiliaries needed Larger footprint with more peripheral equipment
11 Oval / Complex Shapes More difficult to form non-round cross-sections Easier to produce oval or irregular bottles

Bottom line: If your priority is neck accuracy, zero waste, high cavitation, and pharmaceutical or food-grade compliance — IBM is the right process. If you need very thin walls, large oval containers, or extremely low tooling investment for short runs, EBM may be worth considering instead. We’re happy to help you decide.

What a Full ISBM Injection Blow Molding Line Looks Like

What a Full ISBM Injection Blow Molding Line Looks Like

 

The IBM machine is the heart of the line, but a complete bottle production cell also includes upstream material handling, process utilities, and downstream inspection and packaging equipment. Here’s what a typical ZQ Series line consists of.

ZQ Series Running in 8 Countries

From small pharma converters to large-scale personal care manufacturers, ZQ Series machines are running in production facilities across four continents. These are real installed machines — not references.

KR Korea
مشتری A-IL Plastic
Bottle 300 ml
Application Daily Chemical
ZQ110
IN India
مشتری JMPL
Bottle 50 ml
Application Pharmaceutical
ZQ40
TR Turkey
مشتری
Bottle 100 ml
Application Cosmetics / Personal Care
ZQ40
RU Russia
مشتری
Bottle 350 ml
Application Food Packaging
ZQ60
ZA South Africa
مشتری Formosa
Bottle 300 ml & 1L
Application Household Chemical
ZQ60
BR Brazil
مشتری Zandei
Bottle 120 ml
Application Personal Care
ZQ80
US America
مشتری
Bottle PS 100 ml
Application High-Clarity PS Container
ZQ40
MX Mexico
مشتری
Bottle 400 ml
Application Industrial / Chemical
ZQ80

Everything Around the IBM Machine

We can supply the full set of peripheral equipment to complement your ZQ Series machine — either as a complete turnkey line or as individual items to fill gaps in your existing cell.

Certified Quality You Can Rely On

ZQ Series machines are designed to support your compliance requirements — from CE-marked electrical systems to GMP-compatible hygiene design on the ZQ60HE. All machines undergo factory acceptance testing before shipment.