Foundry & industrial processing Machinery EQUIPMENT & SYSTEMS

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A-Frame Knock-out Decoring Machines - Manual

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 Description

The 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

Available Hammers (sold separately)

  • Standard A-Frame Core Knock Out Machine

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 *

15.75"
19.5"
19"

Overall Length - Cylinder Out *

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

(* With tool retainer but without anvil and air nipple)

Additional Palmer Products

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Contact Us to learn more!

Call us at 1.800.457.5456 or fill out our simple form.