 | Operations with Routing Machines - Course: Mechanical Woodworking Techniques. Trainees' Handbook of Lessons |
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3. Routing machine tools
The selected tool always depends on the nature of the processing operation. Single- and double-edged tools are used for milling operations with a routing machine.
Single-edged tools permit a variety of setting values and can be simply resharpened. Such tools must be clamped into an eccentric chuck, otherwise chip removal is not possible.
Double-edged tools can be clamped into an eccentric chuck. Only one tool cutter operates and, as in the case of single-edged tools, the knife cutting circle can be variously set. When using a centrical chuck both tool cutters operate and the knife cutting circle remains constant.
Figure 7
(1) Single-edged tool
(2) Double-edged tool
Tools with a taper shank or tap shaft can only be centrically chucked.
Figure 8
(1) Tool with tap shank
(2) Tool with cylinder shank
(3) Tool with taper shank
Why does only one cutter operate during chip removal given the
eccentric cucking of a double-edged
tool?
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Table 2: Types of routing tools
|
Designation Presentation |
Special features |
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cylindrical routing machine  |
single-edged tool for eccentric chucking for milling grooves, curves, recesses and bores |
|
fold cutter with tap shank  |
double-edged tool with screw thread for centrical chucking only for fold milling - not for bore operations! |
|
Dovetailing machine  |
single-edged tool for eccentric chucking for yielding dovetailed comer joints |
|
bun cutter  |
single-edged tool for eccentric chucking for yielding burr joints, milling burr grooves and the burr spring |
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half round cutter  |
single - and double - edged tool executions possible double-edged only for centrical chucking for milling half round profiles and narrow faces |
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quarter round cutter  |
single-edged for eccentric chucking at a radius of up to 8 mm from 10 mm double-edged for centrical chucking |
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chamfer cutter  |
double-edged for centrical chucking to yield chamfer grooves, half and quarter chamfers |
|
grain cutter  |
single-edged tool for eccentric chucking |
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fold cutter with taper shank  |
with taper shank for centrical chucking tool is clamped into the spindle without chuck and tightened by means of the differential nut |
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