Core machines Z84 series

Shooting head volume between 25 litre and 800 litre

The machines have been developed by SUZHU for production of middle size and large cores, with shooting head volume between 25 litre up to 160 litre and using Cold Box Amin technology.
The machines are easily operated in automatic mode and are widely used for core production at automotive foundries, for passenger and diesel engine blocks, for construction machine and waggon castings and others.



no foundation pit underneath the machine

The design of Z84 core machines allows work without foundation pit underneath the machine. The machine table is not lifting up; instead, the shooting head is moving down.

easy and free access

All the important parts for maintenance (hydraulic cylinders, pneumatic valves and electric control parts) are easy and freely accessible. The shooting head is indexing to filling position with free access for easy sand cleaning.

continuous 24-hour work

The machine frame is extra strong and the machines are suited for continuous 24-hour work.

horizontal and vertical core boxes of solid execution in steel or lighter

The Z84 machines use horizontally parted core boxes. The use of vertically parted core boxes is possible with special clamping system. The shooting is single or multiple per cycle.

The strong design allows use of solid steel core boxes as well as lighter core boxes from aluminium, plastic, wood.

full automatic work

The Z84 machines work full automatic with sand shooting and gas injection, core removal ejection.


The Z84 machines may be equipped on customer request with automatic core box cleaning, automatic core box parting agent injection, fast pattern exchange etc.

Technical characteristic of Cold Box core machines Z8425 to Z84160

Parameter Model/Unit 25 40 65 80 160
Shooting head volume litre 25 40 65 80 160
Maximum external size of core box mm 750×600×420 1190×1080×900 1300×1000×800 1400×1200×800 2200×800×800
Shooting area size mm 700×600 1000×800 1100×900 1200×1000 2000×760
Blowing area size mm 700×600 1000×800 1100×900 1180×980 1980×720
Stroke of upwards core ejection cylinder mm 25 25 35 35 115
Stroke of downwards core ejection cylinder mm 150 250 250 260 300
Maximum clamping force of core box KN 120 150 200 300 500
Maximum upwards core ejection force KN 50 50 80 80 120
Maximum downwards core ejection force KN 50 50 80 80 200
Oil pressure MPa 10~12.5 10~12.5 10~12.5 10~12.5 10~12.5
Supercharge oil pressure MPa 16 16 16 16 16
Compressed air pressure MPa 0.5~0.6 0.5~0.6 0.5~0.6 0.5~0.6 0.5~0.6
Electrical power connection KW 27 35 35 35 57
Productivity*, up to cycles/h 45 45 45 45 40
Machine weight tons ≈18 ≈20 ≈22 ≈24 ≈27
* Productivity is a maximal number shown and is not guaranteed. It is dependent of the real used time for core removal (manually or by robot) and other manual works, as well as time selected by the customer for sand shooting, gassing and degassing of core.