Self Feed Units: The Selection Process
1: SELECT BASE UNIT:
a) Pneumatic or electric
b) Correct rpm
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Metric |
R = |
318.5 x Surface Meters per Minute
Drill dia. (mm) |
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US Standard |
R = |
3.82 x Surface Feet per Minute
Drill dia. (inches) |
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2:
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SELECT FRONT END ATTACHMENTS:
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a)
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Chuck
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Base drill comes standard with 3/8" (10 mm) drill chuck.
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b)
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Collet Holder & Collet
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For Tappers, the tapping head is included (single spindle only).
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c)
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Multiple Spindle Heads
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Multiple spindle head collets need to be ordered separately.
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d)
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Offset Head
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For drilling applications requiring special clearances.
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e)
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Spindle Positioners
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To facilitate rapid changeover of spindle positioning where alternative settings are required on Multi-Spindle heads.
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3:
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SELECT MOUNTING BRACKET:
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a)
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Nose Angle Bracket
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b)
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Nose Flange
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c)
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Column and Clamp Options
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4:
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SELECT CONTROL OPTIONS:
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a)
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Return Limit Kit
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Sends out a positive signal at the retract end of the self feed cycle.
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b)
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Dwell Control
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Used to dwell for a set period of time in the extended position.
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c)
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Hydraulic Feed Control
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Sets a constant feed rate through the material.
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d)
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Peck Feed Kit
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Allows pecking of unit for drilling deep holes.
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e)
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Swarf Exclusion Kit
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Protects drill unit from swarf (chips, dirt, etc.).
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f)
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Exhaust Collector
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Reduces noise and protects drill unit from swarf. Allows muffling or piping of exhausted air away from the work area.
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g)
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Bottom Limit Kit
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Sends a signal when drill unit is fully extended.
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h)
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PLC Interface Module
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Permits PLC to communicate with Self Feed Units.
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i)
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Skip Check Unit
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Enables drill units to economically transit tubular sections.
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