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Product・Technical Information＞
＞Automatic Feeding System ＞ＥＨＡＣ-８０Ａi
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| Automatic Feeding System |
ＥＨＡＣ-８０Ａi |
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■Automatic Feeding System for Core Drill.
Artistic performance is installed in CPU circuit
■RoHS regulation is certified.
■CE Marking is certified.
■Simple and compact Automatic Feeding System only installed high frequency
of usage function.
■Installed reinforced steel sensor function.
It enables not to cut reinforcing steel in case of small diameter
drilling targeting earthquake strengthening. When the reinforcing steel
detected, Core Drill automatically stop using built-in"Reinforcing
steel detection software"
■13 Steps of drill load setting
Load setting is possible up to 15A depend on Core Drill and working situation.
■Setting value of automatic stop function after complete drilling is adjustable. |
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| Specification |
| Power Supply |
Single-phase 230V ～ 50Hz |
| Max. Power Consumption |
52.8W |
| Maximum rotating speed of output shaft |
2.0min-1 |
| Max. Feeding Speed |
CL-49 series |
About 105mm/min |
| CL-59 series |
About 77mm/min |
| Applicable Core Drills |
Max. Rated Current |
Less or equal 15A |
| Type |
SPF Core Drill, E type
SPN Core Drill, E type
SPZ Core Drill, E type
SPM Core Drill, E type
SPO Core Drill, E type |
| Reinforced Sensor |
ＣＣ mode |
Nomal drilling |
| ＦＣ mode |
Drilling automatically stop after reinforcing steel detected.
Applicable Core Bit dia. From 25 to 77mm (3”) |
| Size W×L×H |
195×166×275mm |
| Weight （Including cord） |
6.3kg |
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（reference）
Automatic Feeding system ： EHAC-80A |
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| ■Description of control panel |
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■ Operational Procedure
① Set the drill mode
When the power supply cord is plug to the power supply, digital display
indicates current drill mode "CC" or "FC". If
the drill mode needs to be changed, push the "Clutch button"
and "Auto Stop button" more than 2 seconds at one time, then
you releace your hands when the display changed.
② Start initial drilling around 5mm by manual.
Hold down "Drill button" more than 0.2 seconds to start drilling.
Hold the feeding handle and push the "Clutch button" to release
the clutch, then start cutting by feeding handle.
③ Change manual cutting to automatic cutting.
To start automatic cutting, push the "Clutch button", after that
push the "Feed button".
④ Set the motor load of Core Drill.
Change the display current value pushing the "Drilling Load Setting
button" The current value has to be adjusted depend on Core Drill
load condition. For example, sound of motor, rotation speed, feeding
speed, etc.
⑤ Set automatic stop function.（If you need）
If automatic stop function work, drilling will automatically stop after
penetrating Automatic stop function can be set and cancel by pushing
"Automatic Stop button".
⑥ If you would like to stop drilling on the way, push the "Drill button"
⑦ Hold the feeding handle and push the "Clutch button", clutch
will be released. You need to move the Drill Head by feeding handle and
taking out drilled core. You can finish the drilling.
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| Reinforcing steel sensor function |
■ Principle of reinforcing steel sensor function
It needs a practice to detect the reinforcing steel in a concrete by hand
feeling. In case of drilling through hole from １m to ２m, the reinforcing
steel at core drill side can be detected by Reinforcing Steel Scaning Machine.
So we don't need to care about cutting of the reinforcing steel. However
there is a possibility to cut reinforcing steel which is not detected reinforcing
steel by Reinforcing Steel Scaning Machine and backside of material. So
we developed "Reinforcing Steel Detection Software" to prevent
from cutting reinforcing steel by mistake.
"Reinforcing Steel Detection Software" is always monitoring drilling
speed of core bit in order to judge whether the reinforcing steel exist
or not in a concreat. If the reinforcing steel is grinded during drilling,
the software makes Core Drill stop instantly. So reinforcing steel isn't
cut.
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| The damage for reinforcing steel (Dia. 25mm) by using EHAC-130A（with reinforced sensor）
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| Skilled
worker drilling by hand feeding
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Drilling
using "Reinforced Sensor Mode"
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■ Instructions and directions for use of "Reinforced Sensor Function".
① Do not use except drilling for earthquake strengthening.
"Reinforced Sensor Mode" has a possibility to cut electric
ductwork, telephone line ductwork, water pipe, gas pipe, regin ductwork,
steel wire and, etc.
② Use Core Bit diameater more than 25mm less than 77mm(3")
If improper Core Bit is used, there is a possibility that Core Drill
doesn't stop after Core Bit contact to reinforcing steel.
③ Do not use worn Core Bit
The cutting edge of Core Bit is like a sensor of "Reinforcing Steel Detection Software". If worn Core Bit is used, detection performance will be low. There is a possibility that Core Drill doesn't stop after Core Bit contact to reinforcing steel.
④ Even if Automatic Feeding System is used, there is a possibility to cut
reinforcing steel depending on a Core Drill condition and working site
situation. So during Drilling, do not get away from Core Drill and check
the sound of drilling and change of water color.
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| Option parts |
| Model |
ＥＨＡＣ Stopper for □49 |
ＥＨＡＣ Stopper for □55,59 |
| Weight |
0.2kg |
0.2kg |
| Image |
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| Model |
ＥＨＡＣ Right Handle |
| Weight |
1.2kg |
| Image |
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