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H.H. Roberts Machinery Limited
1324 Matheson Blvd E., Mississauga, Ontario, Canada. L4W-2Z7, Fax 905-624-9065
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HH Roberts and Erlo

The standard for drilling in Canada since 1967.

  

Download the factory catalog on the Hidroblock

 
HIDROBLOCK Automatic Cycle Attachment
 

An attachment to automate models with manual drilling feed.
There are different cycle possibilities, as simple, peck drilling, etc.

This device can be field retrofitted to most drills and Bridgeport style milling machines

Erlo drill with hidroblock automatic spindle feed device

This photo shows the Hidroblock mounted on a C-25 drill. 

The hydro-pneumatic cylinder rod pushes a rack.  A pinion is mounted on the the quilll feed shaft.

 
sketch of Hidroblock automatic drill peck cycle
 PECK DRILLING CYCLE
To drill deep holes with chip clearance.		  
sketch of Hidroblock automatic pipe and profile drilling cycle
 PIPE AND PROFILES CYCLE
To drill surfaces at different height (pipes, profiles, etc.)		  
sketch of hidroblock pipe drilling cycle
  
sketch of Hidroblock synchronized drill cycle
 SYNCRHONISED PNEUMATIC CYCLE
Spindle cycle automation synchronising the rapid approach and return movements with the drilling feed.
showing Hidroblock cylinders mounted on a drill head.