Palmer Manufacturing designs and supplies core
knock-out equipment for virtually any casting. Palmer's experience in
vibration tooling design allows us to manufacture decoring equipment for
virtually any casting or sand process type. From simple A-Frame decoring
units to the complete fully automatic units, Palmer is here to serve.
Benefits
- High productivity with simplicity
- Minimal moving and wear parts
Machine
DescriptionThe mechanical
assembly consists of :
- A-Frame mounting system
- High impact pneumatic hammer
- Foot pedal for clamping and
vibration
The Palmer Process
- Operator lifts or holds casting
in place
- Operator engages foot pedal to
begin operation
- Air hammer extends, clamps part,
and begins vibration
- Operator runs air hammer until
decoring is complete
Hammer Details
- Greater impact force than
others.
- Fewer moving parts mean lower
maintenance and refurbishing costs
- Operates in any attitude
- Totally sealed mechanism means
longer life
- Exhaust can be vented outside of
work area for noise reduction
- Hammer model DTA was
specifically designed to replace hammers from others' machines
Model Description
-
Hammering begins immediately when anvil meets the part
Available Hammers (sold
separately)
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Resource Center |
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Palmer Sand Reclamation Systems
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Palmer Shake-out Deck/Attrition Mill Systems |
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Palmer Tripper Car
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Thermal Sand Reclamation |
Catalog Page |
MANUAL Knock-out Decoring Machines |

Standard A-Frame Core Knock Out Machine
Shown
|
Models
|
DTE 2231 EP |
DTE 2634 EP |
DTE 2638 EP |
Maximum Stroke |
3.375" |
5.75" |
5.1" |
Recommended
Working Stroke |
1.5" |
2.75" |
4" |
Strokes Per
Minute |
1700 |
1200 |
1200 |
Air Consumption
(CFM) |
14 |
14 |
13 |
Overall Length -
Cylinder In
(With tool
retainer but without anvil and air nipple)
|
15.75" |
19.5" |
19" |
Overall Length -
Cylinder Out
(With tool
retainer but without anvil and air nipple)
|
19" |
25" |
24" |
Weight Without
Anvil (Pounds) |
38 |
49 |
48.5 |
Maximum Air
Pressure (PSI) |
90 |
90 |
90 |
Hose Size
(Inches) |
3/8" |
3/8" |
1/2" Hammering Hose |
|