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EXEN RKD120P Air Knocker (Direct Type)

Products Made In Japan
Manufacturer: EXEN
Model: RKD120P

Direct-type hammer ring equipment for widespread applications

It has been used in this way

01. Food factory RKD used when removing chocolate from formwork in a chocolate factory.

02. Elimination of wall adhesion of tumble dryers

03. Excess paint removal for powder coating

04. Prevention of wall surface adhesion for heating furnaces, knocking off welding sputtering, and prevention of workpiece adhesion on the mesh in the drying furnace

05. Used for engraving

06. Moisture drop of the base

  • Features

The air-type relay knocker series (direct type) is a unique device in which the piston directly forces the hopper wall surface etc. with the force of compressed air, and the impact eliminates the adhesion and blockage prevention of powders. In addition, since it can be used only by air supply, it is excellent in safety and economy and can be used with peace of mind without hindrance to powders with the property of sticking when centralistic force is given. The case of the vibe type, it is a type that strikes the fixed position knocker base attached, but it can hit what comes moving, move the knocker itself to hit, and the application will spread with one idea. In addition, it can be used in the same way as the vibe type.

Dimensions, installation and operation panel

Product dimension diagram

High-strength adoption improves durability

The blow force can be varied by adjusting the supply air pressure.

Relay piping of multiple simultaneous use is possible.

Oil-free, drive-free and eco-friendly

Simple construction and high durability

Large knocker to eliminate blockages

Knocker mounting method

Operating principle of relay knocker

1. Compressed air flowing into the knocker is first supplied to the valve chamber, and the umbrella valve is pushed down and stored in the storage chamber.
2. When the three-way valve is activated to exhaust the air in the valve room, compressed air in the storage chamber moves the umbrella valve up.
3. When the umbrella valve moves, compressed air in the storage chamber pushes the piston down and hits the base surface.
Its impact force eliminates adhesion and blockage of powders.

Specification

Model Pressure
used (MPa)
Strike

cycle (times/min)

Air
consumption (L/time (ANR))
Strike

Energy (N/m)

Impact force Mass
(kg)
(kg/m/s) Equivalent
Hammer
(pounds)
RKD30PA 0.3 ~ 0.7 1~60 0.05~0.13 5.5~13.1 1.2~1.8 1 or less 2.1
RKD40PA 0.15~0.37 9.22~22.3 2.6~4.0 1~1.5 5.6
RKD60PA 0.33~0.77 20.6~49.0 6.9~10.6 1.5~3 13.1
RKD80PA 0.60~1.40 45.1~109 15.2~23.7 3~8 18.4
RKD100PA 0.98~2.28 82.4~201 30.0~46.9 6~15 35.5
RKD120P 1~6 3.32~6.64 131~321 52.0~84.0 Twice the equivalent
of 100PA
52.

Product

RKD120P

Model φA φC D φE F G H I φJ φK ST L M O Use
Tube diameter
RKD30PA 66 70 8 15.0 38 Rp1/8 95 (25) 9.0 55 17 50 100 Rp1/4 φ8Xφ6
RKD40PA 86 95 12 23.5 55 140 13.0 70 25 75 150
RKD60PA 115 138 14 35.0 65 183 15.0 110 35 90 200 Rp3/8
RKD80PA 146 148 16 47.5 60 Rp1/4 222 (28) 17.0 120 40 Rp1/2
RKD100PA 175 208 20 54.5 50 270 21.0 170 50 250 Rp3/4
RKD120P 220 235 21 68 43 326 17.5 198 47 300 2-Rp3/4

Installation method

Tightening torque table Unit: N/ m

Nut size *M6 M8 M10 M12 M14 M16 M20
Tightening torque Bottom nut *4.8 10.8 20.6 35.3 56.9 84.3 167
Top nut *4.8 7.6 14.4 24.7 39.8 59.0 117

* When fixing the main body with the included bolts, spring washers, and hard lock nuts, please protect the tightening torque. If the tightening torque is weak, the nut may loosen due to the impact during operation.
※ For fall prevention, suspend and fix the main body with the attached fall prevention wire and shackle. Be sure to prevent loosening of the screw with wire, etc. on the screw part of the shackle.

 

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