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Cutter Grinder How to sharpen Milling Machine cutters Gear Cutting Machines Brown and Sharpe Mfg Co 1914 Brown & Sharpe Machine shop Machines book
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How to Set up and Use the Universal Reamer and Cutter Grinder to sharpen Milling Machine Cutters--
Grinder-sharpen-tool-cutters-pg-1-21
    How to set up and use  a Cutter-Grinder to -sharpen-tool-cutters-2.html  How to sharpen cutters.

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page test 33   PROVIDENCE, R. I., U. S. A. 29 FIG. 16 6 BROWN & SHARPE MFG. CO. DRAWING THE TEMPER. There will be no danger of drawing the temper of the cutter teeth if reasonable care is taken not to grind off too much stock at each contact with the wheel. It is a good plan at first, to make a few movements of the cutter before starting the grinding wheel. Do not exert too much pressure on the cutter as it passes across the wheel; this is a common error and may burn the teeth of the cutter. A FIG. 1 Grinding Clearance of Teeth CLEARANCE. The clearance of the teeth back of the cutting edges is obtained, (when the teeth face downward) by having the center of the cutter 
      

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page test 33   PROVIDENCE, R. I., U. S. A. 29 FIG. 16 6 BROWN & SHARPE MFG. CO. DRAWING THE TEMPER. There will be no danger of drawing the temper of the cutter teeth if reasonable care is taken not to grind off too much stock at each contact with the wheel. It is a good plan at first, to make a few movements of the cutter before starting the grinding wheel. Do not exert too much pressure on the cutter as it passes across the wheel; this is a common error and may burn the teeth of the cutter. A FIG. 1 Grinding Clearance of Teeth CLEARANCE. The clearance of the teeth back of the cutting edges is obtained, (when the teeth face downward) by having the center of the cutter 
      

e08--page 8 ------ PROVIDENCE, R. I., U. S. A. 29 FIG. 16 8 BROWN & SHARPE MFG. CO. A tooth with a right-hand spiral can be ground on the corres-ponding angle of the tooth rest. Pass the cutter across the wheel in the direction of the arrow as in Fig. 4. In grinding the next tooth with a spiral angle, alternate to the preceding, pass the cutter in the opposite direction, using the other angle of the tooth rest. It is essential that the high point (C) of the tooth rest be placed in the center of the cutting edge of the wheel. Best results in getting the teeth ground uniformly will be obtained by using a fairly narrow wheel with not over 8 inch cutting edge. The cutter should be set sufficiently below the center of the wheel spindle to give the desired clearance. In grinding the spiral cutting edges, use the angle of the tooth rest that corresponds to the angle of the tooth. Pass the cutter across the wheel with the spiral edge of the tooth resting on the corresponding angle of the tooth rest. Tooth with right-hand spiral, on corresponding angle of tooth rest. Pass cutter across wheel in direction of arrow. SELECTING WHEELS. Select the grinding wheel carefully, with due regard to the class of work in hand. For cutters, it should be soft enough to wear freely and to bring fresh abrasive particles in contact with the work. The wheel should be kept clean and true because a dirty or glazed wheel will draw the temper of a cutter very readily.


End Mill with Spiral Teeth


e15--page test--- PROVIDENCE, R. I., U. S. A. 29 FIG. 16 Formed Cutter Grinding Attachment A formed cutter is shown on an arbor between the index centers. The beveled wheel can be made central with the work by the end adjustment of the wheel spindle, or the Attachment can be adjusted at variable distances along the main bar and supporting shach tooth has been ground.

      

pg-16 text second BROWN & SHARPE MFG. CO. END-GRINDING HEAD The End-Grinding Head is furnished with both the Nos. 2 and 3 machines. It is compact, easy to set up, and easy to operate. It holds the tool or reamer at any angle, in any plane, and is intended particularly for sharpening end mills, hollow mills, angular and side milling cutters, fine and coarse tooth saws.

e07---page 5   PROVIDENCE, R. I., U. S. A. 

title page 5 BBROWN & SHARPE MFG. CO. 5 

GENERAL SUGGESTIONS ON CUTTER GRINDING 
The Nos. 2 and 3 Cutter and Reamer Grinding Machines are designed particularly to sharpen cutters and reamers rapidly and accurately, and with the thought in mind of reducing the cost of this work. If this cost is kept low, it can be readily converted into a saving by the increase in the working life and efficiency of the cutters. 
CUTTER EFFICIENCY. To maintain the efficiency of all kinds of cutters they must be kept sharp. It might be supposed upon first thought that it is more economical to regrind a cutter only when actually necessary. This is not true. Experience has proved that a dull cutter wears away more rapidly than a sharp one, and that more stock must be ground off to restore it to an efficient condition than would have been removed by keeping it sharp. A cutter that is kept in good condition by frequent regrinding will invariably last longer than one that has been neglected. 
POWER CONSUMPTION. A dull cutter will also consume more power with a resultant unnecessary strain on the machine, and it has a tendency to ride over the work; to produce a tearing, gouging cut, instead of cutting cleanly. A sharp cutter will produce a more highly finished surface with less power consump-tion than a dull one. Very frequently the efficiency of machines is considerably reduced by the carelessness or negligence of the operators in not keeping their cutters sharp. Cutters are ground so easily and quickly on the Nos. 2 and 3 Cutter Grinding Machines that there should be no excuse for an operator to limit the capabilities of his machine by using dull cutters. 
These grinding machines are neither complicated nor difficult to operate, but the new operator should study carefully the use and possibilities of each feature in order to acquire the most efficient method of doing the work. 

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pg-15text BROWN & SHARPE MFG. CO. END-GRINDING HEAD The End-Grinding Head is furnished with both the Nos. 2 and 3 machines. It is compact, easy to set up, and easy to operate. It holds the tool or reamer at any angle, in any plane, and is intended particularly for sharpening end mills, hollow mills, angular and side milling cutters, fine and coarse tooth saws.


page test 33   PROVIDENCE, R. I., U. S. A. 29 FIG. 16 Formed Cutter Grinding Attachment A formed cutter is shown on an arbor between the index centers. The beveled wheel can be made central with the work by the end adjustment of the wheel spindle, or the Attachment can be adjusted at variable distances along the main bar and supporting shach tooth has been ground.

pg-16 text second BROWN & SHARPE MFG. CO. END-GRINDING HEAD The End-Grinding Head is furnished with both the Nos. 2 and 3 machines. It is compact, easy to set up, and easy to operate. It holds the tool or reamer at any angle, in any plane, and is intended particularly for sharpening end mills, hollow mills, angular and side milling cutters, fine and coarse tooth saws.


e06-----6 BROWN & SHARPE MFG. CO. DRAWING THE TEMPER.
There will be no danger of drawing the temper of the cutter teeth if reasonable care is taken not to grind off too much stock at each contact with the wheel. It is a good plan at first, to make a few movements of the cutter before starting the grinding wheel. Do not exert too much pressure on the cutter as it passes across the wheel; this is a common error and may burn the teeth of the cutter.
A FIG. 1 Grinding Clearance of Teeth CLEARANCE.
The clearance of the teeth back of the cutting edges is obtained, (when the teeth face downward) by having the center of the cutter lower than the center of the wheel, as at A Fig. 1. When the teeth point upward as at B, the center of the work should be above the center of the wheel. The angle of clearance depends upon the diameter of the cutter; it should be greater for small cutters than for large ones. The clearance on the teeth of plain milling cutters should be from 4 to 5 degrees for cutters larger than 3 inches in diameter, and from 6 to 7 degrees for those smaller than 3 inches. The land at the top of the teeth should be from .02 " to .04 " wide before the clearance is ground. The clearance on the end teeth of end mills should be about 2 degrees and it is an advantage to have the teeth somewhat "hollowing"; about .001 " to .002 " lower near the center than on the outside, so that the inner ends of the teeth will not drag on the work. Too much clearance tends to cause chatter or vibration and should be avoided. .

pg-16 text second BROWN & SHARPE MFG. CO. END-GRINDING HEAD The End-Grinding Head is furnished with both the Nos. 2 and 3 machines. It is compact, easy to set up, and easy to operate. It holds the tool or reamer at any angle, in any plane, and is intended particularly for sharpening end mills, hollow mills, angular and side milling cutters, fine and coarse tooth saws.

 

 

pg-16 text second BROWN & SHARPE MFG. CO. END-GRINDING HEAD The End-Grinding Head is furnished with both the Nos. 2 and 3 machines. It is compact, easy to set up, and easy to operate. It holds the tool or reamer at any angle, in any plane, and is intended particularly for sharpening end mills, hollow mills, angular and side milling cutters, fine and coarse tooth saws.

pg-16 text second BROWN & SHARPE MFG. CO. END-GRINDING HEAD The End-Grinding Head is furnished with both the Nos. 2 and 3 machines. It is compact, easy to set up, and easy to operate. It holds the tool or reamer at any angle, in any plane, and is intended particularly for sharpening end mills, hollow mills, angular and side milling cutters, fine and coarse tooth saws.


e07---page test    PROVIDENCE, R. I., U. S. A. PLACING THE TOOTH REST.

The tooth rest should always be secure in its position so viHEEL that it will prevent the cutter from being scored C. L. OF A AZ by the wheel. The safest way to run the wheel is off the cutting edge, as shown in A Fig. 1, for by running it in this direction there is no danger of the work being drawn away from the tooth rest, and the wheel grinding a short tooth. A keener cutting edge can be secured by running the wheel on to the cutting edge, as shown in B Fig. 1. In grinding staggered cutters, a double angled tooth rest can be used. The pointed tooth rest Fig. 2, whose apex (C) is set in the center of the cutting edge of the grinding wheel and enough below the center of the spindle to give the teeth the necessary clearance. The tooth rest is ground so that the angles (A-A) on both sides coincide with the spiral angle of the teeth. The angles (A-A) of the tooth rest must be equal to or greater than the spiral angles of the teeth, so that the spiral tooth edge is either parallel with the corresponding edge of the tooth rest or rests on the central high point (C). A tooth with left-hand spiral is ground on the corresponding angle of the tooth rest. Pass cutter across wheel in direction of arrow as in Fig. 3. 

FIG. 2 Form and position of tooth rest 

Tooth with left-hand spiral, on corresponding angle of tooth rest. Pass cutter across wheel in direction of arrow. 

33 .
pg-16 text second BROWN & SHARPE MFG. CO. END-GRINDING HEAD The End-Grinding Head is furnished with both the Nos. 2 and 3 machines. It is compact, easy to set up, and easy to operate. It holds the tool or reamer at any angle, in any plane, and is intended particularly for sharpening end mills, hollow mills, angular and side milling cutters, fine and coarse tooth saws.


e07---page test 33   PROVIDENCE, R. I., U. S. A. 29 FIG. 16 Formed Cutter Grinding Attachment A formed cutter is shown on an arbor between the index centers. The beveled wheel can be made central with the work by the end adjustment of the wheel spindle, or the Attachment can be adjusted at variable distances along the main bar and supporting shach tooth has been ground.

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pg-16 text second BROWN & SHARPE MFG. CO. END-GRINDING HEAD The End-Grinding Head is furnished with both the Nos. 2 and 3 machines. It is compact, easy to set up, and easy to operate. It holds the tool or reamer at any angle, in any plane, and is intended particularly for sharpening end mills, hollow mills, angular and side milling cutters, fine and coarse tooth saws.


e16---page test 33   PROVIDENCE, R. I., U. S. A. 29 FIG. 16 Formed Cutter Grinding Attachment A formed cutter is shown on an arbor between the index centers. The beveled wheel can be made central with the work by the end adjustment of the wheel spindle, or the Attachment can be adjusted at variable distances along the main bar and supporting shach tooth has been ground.


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e19    PROVIDENCE, R. I., U. S. A. 19 The head stock is provided with an indexing worm and worm wheel. The plate has 24 holes and by disengaging the worm, it can be turned by hand. The centers swing 44" in diameter and take 10r in length, and by the use of raising blocks, cutters to 8" in diameter can be ground. By moving the wheel slide backward or forward the diameter of the work between the centers can be accommodated. Side adjustment can be made by adjusting the wheel spindle or by moving the slide bar to which the attachment is rigidly clamped, to the right or left. WEIGHTS: Net, about 76 pounds; ready for shipment, about 104 pounds. Dimensions for shipment, 22" x 14" x 12"; space occupied, about 2 cubic feet. FIG. 9 Sharpening a Hob on a No. 3 Machine with the Formed Cutter Grinding Attachment



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this is a test-e19 PROVIDENCE, R. I., U. S. A. 19 The head stock is provided with an indexing worm and worm wheel. The plate has 24 holes and by disengaging the worm, WEIGHTS: Net, about 76 pounds; ready for shipment, about 104 pounds. Dimensions for shipment, 22" x 14" x 12"; space occupied, about 2 cubic feet. FIG. 9 Sharpening a Hob on a No. 3 Machine with the Formed Cutter Grinding Attachment
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this is a test-e19 PROVIDENCE, R. I., U. S. A. 19 The head stock is provided with an indexing worm and worm wheel. The plate has 24 holes and by disengaging the worm, WEIGHTS: Net, about 76 pounds; ready for shipment, about 104 pounds. Dimensions for shipment, 22" x 14" x 12"; space occupied, about 2 cubic feet. FIG. 9 Sharpening a Hob on a No. 3 Machine with the Formed Cutter Grinding Attachment
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this is a test-e19 PROVIDENCE, R. I., U. S. A. 19 The head stock is provided with an indexing worm and worm wheel. The plate has 24 holes and by disengaging the worm, it can be turned by hand. The centers swing 44" in diameter and take 10r in length, and by the use of raising blocks, cutters to 8" in diameter can be ground. By moving the wheel slide backward or forward the diameter of the work between the centers can be accommodated. Side adjustment can be made by adjusting the wheel spindle or by moving the slide bar to which the attachment is rigidly clamped, to the right or left. WEIGHTS: Net, about 76 pounds; ready for shipment, about 104 pounds. Dimensions for shipment, 22" x 14" x 12"; space occupied, about 2 cubic feet. FIG. 9 Sharpening a Hob on a No. 3 Machine with the Formed Cutter Grinding Attachment
  PROVIDENCE, R. I., U. S. A.-- page 17 

The head consists of a swivel head similar to the one used on the right of the No. 3 machine, which is bolted rigidly to a slide. The slide is gibbed to the ways of the swivel carriage and is actuated by the hand lever, to which it is connected by the adjustable slide connection link. This motion is limited by adjustable dogs on the side of the swivel carriage. The entire End-Grinding Head has a rotary adjustment at the main sliding bar clamp. 

FIG. 7 
Recutting the End teeth of an End Mill on a No. 3 Machine with the End-Grinding Head 
A graduated dial at the bar clamp swivel, indicates the correct angle to set the slide in grinding the end teeth of end mills. The graduations represent the angle required for the number of teeth. 
 

PROVIDENCE, R. I., U. S. A. 29 FIG. 16 Formed Cutter Grinding Attachment A formed cutter is shown on an arbor between the index centers. The beveled wheel can be made central with the work by the end adjustment of the wheel spindle, or the Attachment can be adjusted at variable distances along the main bar and supporting shach tooth has been ground.



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Page 21 list.
PROVIDENCE, R. I., U. S. A. 21 ACCESSORIES OF No. 2 CUTTER GRINDING MACHINE Do not use these numbers in ordering parts
1 Tooth Rest Bracket (Horizontal). 2 Tooth Rest Bracket (Vertical).
3 Sliding Shell (Large).4 Wheel Sleeves.
5 Tooth Rest Holder (Short). 6 Main Bar Stop. 7 Sliding Shell Step Collars.
8 Tool Rest Slide Bolt, Nut, and Washer. 9 Tool Rest and Slide.
10 Cutter Bar Arm. 11 Cutter Bar. 12 Mill Bushing Sleeve and Spring. 13 End-Grinding Head (Complete).
14 Wheel, Alundum 3860; Shape 27; Grade I. 15 Wheel, Alundum 3860; Shape 27; Grade 2E.
16 Wheel, Alundum 3860; Shape 21; Grade J. 17 Taper Shank Mill Bushing; (No. 7 Taper). 18 Taper Shank Mill Bushing; (No. 9 Taper). 19 Face and Straddle Mill Arbor. 20 Wheel Sleeve Wrench. 21 Center Support. 22 Set Screw Wrench. 23 i" Wrench. 24 2" Wrench. 25 26" Wrench. 26 Tooth Rest Swivel.
27 Tooth Rest Holder (Long).
28 Tooth Rest Holder Support. 29 Center Bar.




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Page 21 list.
PROVIDENCE, R. I., U. S. A. 21 ACCESSORIES OF No. 2 CUTTER GRINDING MACHINE Do not use these numbers in ordering parts
1 Tooth Rest Bracket (Horizontal). 2 Tooth Rest Bracket (Vertical).
3 Sliding Shell (Large).4 Wheel Sleeves.
5 Tooth Rest Holder (Short). 6 Main Bar Stop. 7 Sliding Shell Step Collars.
8 Tool Rest Slide Bolt, Nut, and Washer. 9 Tool Rest and Slide.
10 Cutter Bar Arm. 11 Cutter Bar. 12 Mill Bushing Sleeve and Spring. 13 End-Grinding Head (Complete).
14 Wheel, Alundum 3860; Shape 27; Grade I. 15 Wheel, Alundum 3860; Shape 27; Grade 2E.
16 Wheel, Alundum 3860; Shape 21; Grade J. 17 Taper Shank Mill Bushing; (No. 7 Taper). 18 Taper Shank Mill Bushing; (No. 9 Taper). 19 Face and Straddle Mill Arbor. 20 Wheel Sleeve Wrench. 21 Center Support. 22 Set Screw Wrench. 23 i" Wrench. 24 2" Wrench. 25 26" Wrench. 26 Tooth Rest Swivel.
27 Tooth Rest Holder (Long).
28 Tooth Rest Holder Support. 29 Center Bar.







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PROVIDENCE, R. I., U. S. A. page 25        FIG. 12                                                 Grinding a Coarse Tooth Spiral Milling Cutter The main bar is slid to the left leaving just enough projection on the right to support the cutter bar arm. Notice the bar stop with its elevating screw on the left. The cutter is mounted on the sliding shell and slipped on the cutter bar. By the adjustment of the tooth rest and the elevating screw on the bar stop, the work is given the proper angle for clearance. The main bar is clamped tightly and the cutter, mounted on the sliding shell, is passed across the face of the revolving wheel by sliding it along the cutter bar. Notice what a rigid guide is furnished the cutter by the vertical tooth rest support bolted to the tool rest bracket; in this position the tooth rest has vertical and horizontal adjustment.



page text 26 BROWN & SHARPE MFG. CO.       FIG. 13                                       Grinding an Angular Cutter with the End-Grinding Head The cutter is mounted on a face mill arbor and put into the bushing in the swivel head. The spring and mill bushing sleeve are mounted on the projecting end of the arbor. The swivel head is set at an angle with the wheel, corresponding to the degrees in the angle of the cutter. The slide and carriage are set at any convenient working angle. The center distance of the cutter is obtained from the finger gauge flat. When the tooth rest is adjusted to this distance and placed in contact with a tooth it acts as an indexing gauge. Clearance is obtained by the adjusting screw in the main bar stop; it will elevate both head and work by its rotating effect on the main slide bar. By operating the hand lever a tooth passes across the face of the wheel.


page text 27 BROWN & SHARPE MFG. CO.        FIG. 13                                         Grinding an Angular Cutter with the End-Grinding Head The cutter is mounted on a face mill arbor and put into the bushing in the swivel head. The spring and mill bushing sleeve are mounted on the projecting end of the arbor. The swivel head is set at an angle with the wheel, corresponding to the degrees in the angle of the cutter. The slide and carriage are set at any convenient working angle. The center distance of the cutter is obtained from the finger gauge flat. When the tooth rest is adjusted to this distance and placed in contact with a tooth it acts as an indexing gauge. Clearance is obtained by the adjusting screw in the main bar stop; it will elevate both head and work by its rotating effect on the main slide bar. By operating the hand lever a tooth passes across the face of the wheel.


page text 28                    https://antiquemachinery.com/images-2020/Universal-Cutter-and-Reamer-Grinder-Machine-Brown-and-Sharpe-Mfg-Co-1929-No2-pg-28.jpeg         BROWN & SHARPE MFG. CO. FIG. 13 Grinding an Angular Cutter with the End-Grinding Head The cutter is mounted on a face mill arbor and put into the bushing in the swivel head. The spring and mill bushing sleeve are mounted on the projecting end of the arbor. The swivel head is set at an angle with the wheel, corresponding to the degrees in the angle of the cutter. The slide and carriage are set at any convenient working angle. The center distance of the cutter is obtained from the finger gauge flat. When the tooth rest is adjusted to this distance and placed in contact with a tooth it acts as an indexing gauge. Clearance is obtained by the adjusting screw in the main bar stop; it will elevate both head and work by its rotating effect on the main slide bar. By operating the hand lever a tooth passes across the face of the wheel.


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page 29
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  PROVIDENCE, R. I., U. S. A. 29 FIG. 16 Formed Cutter Grinding Attachment A formed cutter is shown on an arbor between the index centers. The beveled wheel can be made central with the work by the end adjustment of the wheel spindle, or the Attachment can be adjusted at variable distances along the main bar and supporting shaft on the column. The indexing stop is disengaged and the worm is meshed with the index wheel in order to revolve the cutter without indexing it. By bringing the wheel up to the work, the depth of the cut can be adjusted; then by loosening the binding knob the slide can be reciprocated by the handwheel until each tooth has been ground. By using raising blocks, cutters to 8" in diameter can be ground.


page 30
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  PROVIDENCE, R. I., U. S. A. 29 FIG. 16 Formed Cutter Grinding Attachment A formed cutter is shown on an arbor between the index centers. The beveled wheel can be made central with the work by the end adjustment of the wheel spindle, or the Attachment can be adjusted at variable distances along the main bar and supporting shaft on the column. The indexing stop is disengaged and the worm is meshed with the index wheel in order to revolve the cutter without indexing it. By bringing the wheel up to the work, the depth of the cut can be adjusted; then by loosening the binding knob the slide can be reciprocated by the handwheel until each tooth has been ground. By using raising blocks, cutters to 8" in diameter can be ground.

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page 31
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  PROVIDENCE, R. I., U. S. A. 29 FIG. 16 Formed Cutter Grinding Attachment A formed cutter is shown on an arbor between the index centers. The beveled wheel can be made central with the work by the end adjustment of the wheel spindle, or the Attachment can be adjusted at variable distances along the main bar and supporting shaft on the column. The indexing stop is disengaged and the worm is meshed with the index wheel in order to revolve the cutter without indexing it. By bringing the wheel up to the work, the depth of the cut can be adjusted; then by loosening the binding knob the slide can be reciprocated by the handwheel until each tooth has been ground. By using raising blocks, cutters to 8" in diameter can be ground.

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page 32
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  PROVIDENCE, R. I., U. S. A. 29 FIG. 16 Formed Cutter Grinding Attachment A formed cutter is shown on an arbor between the index centers. The beveled wheel can be made central with the work by the end adjustment of the wheel spindle, or the Attachment can be adjusted at variable distances along the main bar and supporting shaft on the column. The indexing stop is disengaged and the worm is meshed with the index wheel in order to revolve the cutter without indexing it. By bringing the wheel up to the work, the depth of the cut can be adjusted; then by loosening the binding knob the slide can be reciprocated by the handwheel until each tooth has been ground. By using raising blocks, cutters to 8" in diameter can be ground.

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page 33
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  PROVIDENCE, R. I., U. S. A. 29 FIG. 16 Formed Cutter Grinding Attachment A formed cutter is shown on an arbor between the index centers. The beveled wheel can be made central with the work by the end adjustment of the wheel spindle, or the Attachment can be adjusted at variable distances along the main bar and supporting shaft on the column. The indexing stop is disengaged and the worm is meshed with the index wheel in order to revolve the cutter without indexing it. By bringing the wheel up to the work, the depth of the cut can be adjusted; then by loosening the binding knob the slide can be reciprocated by the handwheel until each tooth has been ground. By using raising blocks, cutters to 8" in diameter can be ground.

https://antiquemachinery.com/images-2020/Cutter-and-Reamer-Grinder-Machine-pg-29-Brown-and-Sharpe-Mfg-Co-1929-No2-29.jpeg"


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https://antiquemachinery.com/images-2021/Universal-Cutter-and-Reamer-Grinder-Machine-Brown-and-Sharpe-Mfg-Co-1929-No-3-pg-34.jpeg

  PROVIDENCE, R. I., U. S. A. 29 FIG. 16 Formed Cutter Grinding Attachment A formed cutter is shown on an arbor between the index centers. The beveled wheel can be made central with the work by the end adjustment of the wheel spindle, or the Attachment can be adjusted at variable distances along the main bar and supporting shaft on the column. The indexing stop is disengaged and the worm is meshed with the index wheel in order to revolve the cutter without indexing it. By bringing the wheel up to the work, the depth of the cut can be adjusted; then by loosening the binding knob the slide can be reciprocated by the handwheel until each tooth has been ground. By using raising blocks, cutters to 8" in diameter can be ground.

https://antiquemachinery.com/images-2020/Cutter-and-Reamer-Grinder-Machine-pg-29-Brown-and-Sharpe-Mfg-Co-1929-No2-29.jpeg"


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https://antiquemachinery.com/images-2021/Universal-Cutter-and-Reamer-Grinder-Machine-Brown-and-Sharpe-Mfg-Co-1929-No-3-pg-35.jpeg

  PROVIDENCE, R. I., U. S. A. 29 FIG. 16 Formed Cutter Grinding Attachment A formed cutter is shown on an arbor between the index centers. The beveled wheel can be made central with the work by the end adjustment of the wheel spindle, or the Attachment can be adjusted at variable distances along the main bar and supporting shaft on the column. The indexing stop is disengaged and the worm is meshed with the index wheel in order to revolve the cutter without indexing it. By bringing the wheel up to the work, the depth of the cut can be adjusted; then by loosening the binding knob the slide can be reciprocated by the handwheel until each tooth has been ground. By using raising blocks, cutters to 8" in diameter can be ground.