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This is the Kempsmith New Style dividing head as it appeared in the January 1912 catalog. As shown, this 10 1/2" head was meant for use on the No. 1,

This is the Kempsmith New Style dividing head as it appeared in the January 1912 catalog. As shown, this 10 1/2" head was meant for use on the No. 1,

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In our first photo, we see the 10 1/2" New Style Kempsmith dividing head in the assembled, and unrestored state. Carrying the serial number 4365, this

In our first photo, we see the 10 1/2" New Style Kempsmith dividing head in the assembled, and unrestored state. Carrying the serial number 4365, this

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Plate 4: The nut, washer, plunger arm, split nut, and sector arms have been removed, exposing the three slotted filister head machine screws that hold

Plate 4: The nut, washer, plunger arm, split nut, and sector arms have been removed, exposing the three slotted filister head machine screws that hold

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In plate three, we show the removal of the nut and washer that holds the indexing arm and plunger to the worm shaft. Exposed is the split nut that hol

In plate three, we show the removal of the nut and washer that holds the indexing arm and plunger to the worm shaft. Exposed is the split nut that hol

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In plate two, we see where Peter has set the head on its side in preparation for disassembly. The first order of business though, was to remove the he

In plate two, we see where Peter has set the head on its side in preparation for disassembly. The first order of business though, was to remove the he

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Plate 7: This photograph shows the locking bolt unscrewed, and the engagement lever removed. At this point, the shaft housing can be slid from the end

Plate 7: This photograph shows the locking bolt unscrewed, and the engagement lever removed. At this point, the shaft housing can be slid from the end

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Plate 6: With the gear/hub removed, we can clearly see the worm shaft housing with its associated controls and hardware. The square headed locking bol

Plate 6: With the gear/hub removed, we can clearly see the worm shaft housing with its associated controls and hardware. The square headed locking bol

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Plate 5: With the index plate removed, we see the plate hub with integral bevel gear. ALL New Style Kempsmith dividing heads were designed as universa

Plate 5: With the index plate removed, we see the plate hub with integral bevel gear. ALL New Style Kempsmith dividing heads were designed as universa

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Plate 10: To remove the side plate casting, place the head in an upright position, loosen the two binding bolts on the right-hand side plate by approx

Plate 10: To remove the side plate casting, place the head in an upright position, loosen the two binding bolts on the right-hand side plate by approx

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Plate 9: In this photograph, Peter has marked two important features to note. The one note describing the keys, holes, and dowel, clearly shows the mo

Plate 9: In this photograph, Peter has marked two important features to note. The one note describing the keys, holes, and dowel, clearly shows the mo

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Plate 8: With the shaft carrier housing gone, the side plate casting can now be removed. On Kempsmith dividing heads, the side plate castings are dowe

Plate 8: With the shaft carrier housing gone, the side plate casting can now be removed. On Kempsmith dividing heads, the side plate castings are dowe

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Plate 13: Both side plate castings are now off. When reassembling, note that the these plates, due to the location of the dowels, will only go on one

Plate 13: Both side plate castings are now off. When reassembling, note that the these plates, due to the location of the dowels, will only go on one

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Plate 12: We are almost done, and have very little of the head left to disassemble. The right-hand side casting is still attached, held on to the cent

Plate 12: We are almost done, and have very little of the head left to disassemble. The right-hand side casting is still attached, held on to the cent

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Plate 11: We now have the left-side plate casting off. The two locating dowels in the plate can be clearly seen, along with the business end of the wo

Plate 11: We now have the left-side plate casting off. The two locating dowels in the plate can be clearly seen, along with the business end of the wo

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Plate 16: This is the last photograph in this series describing the dissection of a Kempsmith dividing head. After discussing on the phone, and tradin

Plate 16: This is the last photograph in this series describing the dissection of a Kempsmith dividing head. After discussing on the phone, and tradin

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Plate 15: With both side plate castings removed, the worm gear is clearly visible. In the photo, Peter has labelled the direct indexing lock (which ac

Plate 15: With both side plate castings removed, the worm gear is clearly visible. In the photo, Peter has labelled the direct indexing lock (which ac

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Plate 14: To remove the spindle, the adjustable split nut at the rear end of the spindle must be removed. Loosen the slotted filister head binding scr

Plate 14: To remove the spindle, the adjustable split nut at the rear end of the spindle must be removed. Loosen the slotted filister head binding scr

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jdleach

Dissection of a Kempsmith Dividing Head

In order to not clog the Antique Machine forum with a post that contains numerous photgraphs and attached explanatory text, I have decided to create an album that graphically illustrates the disassembly of the New Style Kempsmith dividing head.

The purpose of this album, of course, is to disseminat
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