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Using attachments such as the 35 spindle head shown in this image allow the SDT7-Series to be used for smaller multiple hole drilling applications. In addition, lead screw and nut components made by HMT are used for tapping applications by feeding the spindle into the part at the same thread and pitch as the tap.
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The manual control not only features drill and tap modes, but also mill mode capability. As shown here on the SDT7-Series portable, a mill spindle and support bracket is installed for applications in light duty milling.
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HMT's mill spindle isa 40 NMT and is suggested to use a maximum 4" diameter cutter when using this feature. Due to the portable nature of the SDT7, larger cutters could infringe on the overall stability of the framework.
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The Newall 2-Axis Programmable Digital Readout (DRO) is a featured option that adds increased capability to the unit.
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Shown here is one mounting method of tracking position of the drill head upon the Y-Axis.
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The tracking position of the drill head upon the X-Axis is pictured here with the reader module mounted to the intermediate slide railway side plate.
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The X-Axis DRO feedback assembly is strategically mounted under the rail T-Rib where it is protected by the angular support rail (not shown). The Newall DRO is built to last within the type of environments the HMT SDT7 is subjected to.
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