K. O. LEE B360 Instruction Manual Download

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A HANDBOOK FOR USE WITH K.O. LEE

UNIVERSAL GRINDERS

TOOL AND CUTTER GRINDERS

200 South Harrison

Aberdeen, SD 57402-1416

Summary of Contents for B360

Page 1: ...A HANDBOOK FOR USE WITH K O LEE UNIVERSAL GRINDERS TOOL AND CUTTER GRINDERS 200 South Harrison Aberdeen SD 57402 1416...

Page 2: ...Instruction K O LEE COMPANY ABERDEEN S D 57401 Manual A HANDBOOK FOR USE WITH K O LEE UNIVERSAL GRINDERS AND TOOL AND CUTTER GRINDERS Price 6 00...

Page 3: ...out editing and outline suggestions Mario Swenson Delo Lee Phil Braunstein Don Stablein Marvin Koth George Utech Jeanine Morevac and Dennis Scott K Lee writer copyright 1979 by K O LEE COMPANY All rig...

Page 4: ...ined in the catalogues and price sheets H stands for hydraulically powered table travel B stands for anti friction table travel or ball track sys tem which became available in 1977 Prior to that the d...

Page 5: ...N FOUR GENERAL OPERATION INSTRUCTIONS I Safety Precautions II Electrical Controls A Wheelhead and Spindle Motor B Motorized Workheads C Hydraulic Machines D Coolant Systems i i ii I Uncrating 1 E Spec...

Page 6: ...ular Cutters 42 CHAPTER 8 Face Mills 43 CHAPTER 9 Form Relieved Cutters 48 CHAPTER 10 Grinding Cutters with Spherical Ends or Corner Radii 54 CHAPTER 11 Reamers 64 CHAPTER 12 Taps 69 CHAPTER 13 Cylind...

Page 7: ...ing a Machine with Heavy Duty Grinding Head to use a High Speed Spindle B Adapting a Machine with a Standard Grinding Head to use a Heavy Duty Spindle C Adapting a Tool and Cutter Grinding Machine to...

Page 8: ...TABLE STOPS STOP BLOCK THUMB NUT CROSSFEED HANDWHEEL STORAGE COMPARTMENT DOOR TILTING HEAD DOVETAIL SLIDE RIGHT TAILSTOCK TABLE ADJUSTMENT SCREWS ELEVATION HANDWHEEL TABLE TRAVERSE HANDWHEEL ELECTRIC...

Page 9: ...or table Use the two holes on either side of the base cabinet for lifting with cables or ropes when holes are accessible Use blocks of wood on side of base or between cable to keep them away from sadd...

Page 10: ...afts using keyed washers and special nuts NOTE CHOOSE PULLEYS ONLY AFTER CON SULTING THE MACHINE R P M CHART Visually check the alignment by rotating the motor shaft by hand or by power with the belt...

Page 11: ...reservative oil The B6000 series grinders have a built in reservoir for light way lube for the column screw and nut Hydraulic machines are not shipped with hydraulic oil but base ways and column ways...

Page 12: ...ACHINES WITH PRESSURE LUBRICATION SYSTEM These models have special piping to the center of the V ways and receive regular amounts of oil or way lube from the hydraulic system or power way lube system...

Page 13: ...ll accumulate some dirt and oil drippings from the ways and need to be cleaned periodically Extensions are drained back into the saddle on hydraulic models B Remove the table from the saddle by removi...

Page 14: ...Instruction Manual Section Three PHOTO 3 4...

Page 15: ...ith oiled cloth Fill through oil cup on column housing Remove grinding head remove column cap brush screw with lube Column has built in reservoir with wick Fill thru center hex hole in pivot stud unde...

Page 16: ...aft Guard Guard Mounting Bracket Swivel Socket Screws Tailstock Locking Screw Rear Column Lock Screw Hex Nut Swivel Locking Nut Dovetail Slide 14 16 18 19 20 21 22 23 24 25 26 27 Table Index Plate Tab...

Page 17: ...Drive Collar 8 Swivel Table Adj Screw 9 Clamp Bar Socket Screws 10 Index Plate 11 Pointer 12 Friction Socket Screws 13 Hex Socket Screw 14 Spring Center Tailstock 15 Threaded Plunger 16 Tailstock Leve...

Page 18: ...y enough to hold the wheel firmly 6 Stand back and out of plane of the wheel when first starting the grinding spindle WHEELHEAD MOTOR Allow the motor to operate for about a minute prior to grinding 7...

Page 19: ...he pump unit itself at 27 Coolant systems plug into the machine electrical panel or have separate plugs for wall connection E Special Electrical Controls Some machines have special starting motor cont...

Page 20: ...bly PHOTO 7 b All Other Models The transmission is shipped with gears in neutral position The pinion gear is off the rack To engage the direct drive ratio turn and pull the knurled knob 23 Photo 4 to...

Page 21: ...s c Turn valve I Photo 5 to On and allow the table to traverse to the furthest point in each direction for a few minutes When the table has stopped traveling in one direction move the Directional Cont...

Page 22: ...ave a motorized dual wheel grinding spindle and motor saddle 5 Photo 7 attached directly to the top of the column This entire assembly is held in place by an eccentric pin at 6 Photo 7 which passes th...

Page 23: ...OF THE WHEELHEAD SWIVEL up to 6 inches With the slide all the way to the rear of the ma chine the center line of the spindle is approximately in the vertical plane of the edge of the column Movement i...

Page 24: ...Instruction Manual Section Four PHOTO 9 14...

Page 25: ...B936W spanner wrench The latter wrench holds either the collet itself BY TWO REAR FACE HOLES or its locking left hand nut The 936P wheel puller is used to extract wheel collets from the taper of the...

Page 26: ...ads differ slightly from those described in D 2 a and b in that the bracket that constitutes the upper swivel in 3 Photo 4 has two other swivel brackets at right angles to its vertical faces allowing...

Page 27: ...t the right hand pulley may be either a plain V pulley or the B936CV Collet and Pulley but in either case these pulleys employ a taper lock onto the spindle shaft B6035 Coolant System B6035HD Heavy Du...

Page 28: ...ither of four positions up down front or rear when the handle locking screw 21 Photo 5 is loosened sufficiently The right hand tailstock has a tension adjustment threaded plunger 15 which is adjustabl...

Page 29: ...El is tilted slightly to one side and allowed to run against a rotating wheel it will remove slight run out quickly and restore cutting sharpness by its cleaning action The El can also be used to for...

Page 30: ...nside of the V portion of the cast sliding pointer for locating the center of work without center holes The diamond shaped pointer plate has two surfaces ONE ON TOP ONE ON THE BOTTOM SEE INSET which a...

Page 31: ...wheel is too soft its rapid wear makes it difficult to keep the cutter a true cylinder or to produce a keen edge In general for most tool grinding work an aluminum oxide 46 or 60 GRIT medium soft gra...

Page 32: ...tly harder wheels may be used Figure 11 Showing method of grind Figure 12 Showing method of grinding ing with wheel rotating off cutting edge with wheel rotating onto cutting edge II DIRECTION OF WHEE...

Page 33: ...etermined by experi ence Once the relief angle AS WELL AS CUTTING SPEED AND FEED that gives the best results on a certain operation has been determined it should be recorded for future reference The g...

Page 34: ...d the work as well as the end of the toothrest blade all on the same plane and then to raise or lower the Wheelhead the proper distance to give the desired relief angle When a straight wheel is used t...

Page 35: ...rees by the diameter of the wheel in inches and this product by the constant 0087 Sample solution for determining the distance to raise or lower the Wheelhead for a 7 degree relief angle using a strai...

Page 36: ...ounted on the Wheelhead and adjusted so that it has a complete bearing on the tooth to be ground at the point of grinding contact With the cutter held against the toothrest by light hand pressure the...

Page 37: ...SET UP The cutter is mounted on a stub arbor and locked into the self locking taper in the universal workhead The cutter may also be mounted on a straight arbor and held between centers The toothrest...

Page 38: ...elled in the vertical plane to give the desired relief OR THE WHEELHEAD IS TILTED 6 ANGULAR CUTTERS SEE PAGE 42 FOR ILLUSTRATION AND DES CRIPTION OF A SPECIFIC SET UP An angular cutter may be consider...

Page 39: ...harpening reamers In the case of machine or chucking reamers of the solid type the size obviously is lost as soon as the periphery is touched with a grinding wheel Inasmuch as most of the cutting is d...

Page 40: ...of reamers are given in Section Seven of the manual and should be taken as only approximations for most reamers On the tilting Wheelhead cutter grinder the relief setting is made by simply tipping th...

Page 41: ...to be observed in setting up for this operation is to line up the cutting face of the wheel with the center of the hob Also after each cut the hob should be revolved toward the wheel for taking additi...

Page 42: ...fillet offset raised land conventional land END MILL 3 2 Solid Profile Milling Cutter staggered tooth side shown Figure 18D helical rake angle l h helix shown radial rake angle positive shown flute le...

Page 43: ...BLADE DIRECTION OF ROTATION CHAMFER FACE OF CUTTER WORKING DIAMETER RELIEF FLANGE FOR MOUNTING ON SPINDLE NOSE POSITIVE AXIAL RAKE ANGLE ENLARGED VIEWS OF BLADE Figure 18E Nomenclature of a Face Mill...

Page 44: ...n Five Figure 18G Chamfer ang e Point or cutting edge Rake angle and right hand rotation shown Straight flutes shown MACHINE REAMER POINT Helical flutes Left hand helix shown HAND REAMER POINT Radial...

Page 45: ...chined etc the wear allowed may be from a few thousandths to 1 16 inch Other methods of determining sharpen ing frequency are a predetermined time period depending on the number of production pieces m...

Page 46: ...ng its opposite side Tighten the Wheelhead to column B For non tilthead grinders place the toothrest on the Wheelhead in a vertical position over the left side of the wheel face with blade end on the...

Page 47: ...tart the Wheelhead motor and proceed as above lightly touching one tooth for its full length Then rotate the cutter 180 degrees and grind on the opposite tooth Check these two teeth for taper with mic...

Page 48: ...ocation B For tilthead grinders the toothrest will generally be held from below the cup wheel and the workhead will be placed at the right or left side of the table depending on the rotation of the cu...

Page 49: ...lt of the workhead Grind the secondary clearance to where the primary land is1 32 inch to1 16 of an inch in width 6 To sharpen the face ENDS of the teeth first use the height gauge to put a tooth in t...

Page 50: ...clearance leaving the workhead set at 0 degrees in the vertical plane Note the tilting Wheelhead in Photo 24 CHAPTER 5 Straight Tooth Side Milling Cutter I SET UP PREPARATION FOR PERIPHERY Refer to C...

Page 51: ...toothrest is placed from above the wheel or from below follow the procedure listed in B through E below B Start Wheelhead motor Move the table and cutter until one tooth lightly con tacts the taper or...

Page 52: ...wivel the table 2 to 6 degrees de pending on the axial rake The Wheelhead should be in horizontal position zero degree tilt F If it is necessary to grind the side teeth to reduce cutter width for exam...

Page 53: ...rest on centerline with the cutter center just back of the cutter O D on one tooth Also place the centerline of the cutter on the same horizontal plane as the centerline of the wheel Set the index dia...

Page 54: ...gn the workhead base with the table T slot by tightening the base plate clamp bar assembly to the outer edge of the table with the hex socket screw Tighten the two base plate T slot bolts Turn the cor...

Page 55: ...blade into grinding position Under same conditions it may be possible to set the toothrest from below the wheel as shown in Photo 33 photo shows periphery being sharpened Page 20 shows below center to...

Page 56: ...mark the tooth just ground Continue the above opera tion for each inserted blade When the red marked tooth appears again on the toothrest examine all blades to see if the wheel has contacted all of t...

Page 57: ...de of the swivel table Place the axis of the workhead and cutter at a 90 degree angle relative to the swivel table and lock Return the workhead to the level or 0 degree setting for the vertical swivel...

Page 58: ...ure 37A shows the correct and incorrect way to GRINDING WHEEL LINE PARALLEL TO RADIUS ON WHICH TOOTH IS INCORRECTLY GROUND LINE OF ADJUSTMENT OF WORK TO GRINDING WHEEL GRINDING WHEEL RADIUS ON WHICH T...

Page 59: ...l edges may be necessary Mount a wheel guard as shown and raise the Wheelhead so as to put the bottom of the wheel even with the center height of the tailstocks which are mounted as shown in the photo...

Page 60: ...Set a table stop to limit the table travel in one direction Start the wheel motor with the cutter to one side and begin a trial run around the cutter teeth passing each in succession under the wheel...

Page 61: ...use the angular side of the saucer wheel Place the angular face toward the front of the machine so that its bottom peripheral edge is in line with the centerline of the tailstocks The alignment of thi...

Page 62: ...ground faces toward the rear of the machine allowing it to be aligned with the ver tical plane of the wheel See Photo 41 This will create a set up so that in step D the toothrest will index hold on t...

Page 63: ...motor in the forward direction and start the workhead spindle in the reverse direction The cutter and wheel rotating at angles to each other must move in opposite directions Move the cutter with the C...

Page 64: ...0 degrees RELATIVE TO THE SADDLE about the Pivot Point Vertical Axis when the Table Adjusting Screws E are removed The Turn Table 41 is calibrated in degrees The Upper Slide and Lower Slide of the fix...

Page 65: ...985 photo upper left Net Weight 51 lbs BA986 RADIAL GRINDING FIXTURE STANDARD EQUIPMENT Includes all equipment listed for BA985 Model and the following B792D24 Index Disc B985AD Diamond Holding Arbor...

Page 66: ...Instruction Manual BA985 AND BA986 RADIAL GRINDING FIXTURES Section Five Figure 45A Figure 45C 56 Min Max A 2 B 2 C 3 D 5...

Page 67: ...appropriate size of Friction Collar and Washer B923EF and Nut B923EN so that it can just be rotated about the Stud D Mount the Universal Toothrest BA940 shown in Photo 46 if cutter edge faces up at th...

Page 68: ...heel Line up the center of the wheel face and tooth radius with the center line of the center gauge lightly touching a feeler gauge placed between the center gauge and the wheel NOTE Never touch the g...

Page 69: ...vement of the machine Crossfeed J Repeat the above steps for the radii on the left corners working from the left edge of the wheel II GRINDING A CORNER RADIUS USING BA986 RADIAL GRINDING FIXTURE EXAMP...

Page 70: ...en on the fixture itself See l D If the toothrest is on the Wheelhead the cutter may also be rotated up by simply raising the Wheelhead the required amount 3 On tilthead grinders it is possible to cre...

Page 71: ...ll be generated by the periphery of the wheel when a micrometer toothrest blade is placed over the wheel and on center with it Determine the amount to raise the blade BY MICROMETER from Table I page 1...

Page 72: ...ould be round ground finishing with a final light cut on the primary land If a secondary clearance appears necessary it is produced by further adjustment of the micrometer toothrest above the wheel ce...

Page 73: ...ure the radius distance in from the wheel side and set the grinder table stops 9 If optical observation is involved no measuring of Crossfeed on the ma chine will be necessary as infeed into the wheel...

Page 74: ...behind the circular land leaving a narrow non relieved convex land or margin just in front of this relief Refer to Chapter 2 in this section for the general construction of reamers and their nomenclat...

Page 75: ...ons on cylindrical grinding Continue to check the diameter of the reamer with a micrometer during the grinding process When the reamer is to be used for large stock removal or just enlarging holes a f...

Page 76: ...ext tooth As each tooth margin is ground it is necessary to continually check the diameter of the reamer If a sizeable margin of 006 inch or larger must be left it may not be necessary to use the seco...

Page 77: ...eed to be sharpened more often 1 Fluted Chucking Reamers These reamers have either straight or tapered shanks spiral or straight flutes and are primarily used in turret lathes and screw machines for l...

Page 78: ...essary as these reamers are usually made with circular ground lands on the periphery B Grind the peripheral lands by means of a thin diamond straight wheel 220 grit resinoid bond is suggested The set...

Page 79: ...he vertical plane swivel has a maximum swivel of 30 degrees either side of the center The fixture will sharpen taps salvage broken taps and reform taps for a specific requirement relative to the grind...

Page 80: ...B947F 1 Felt 16 B947H 1 Housing 17 B947R 2 Cam Retainer Pin 18 B947S 1 Spindle 19 B947T 1 Thrust Collar 20 B947W 1 Draw Tube 21 B947Y 1 Coil Spring 22 6 32x 4 S T Round Head Screw N P 23 x SAE 1 Socke...

Page 81: ...4 degrees respectively for standard chamfer taps D Select the Index Disc for the tap size with the correct number of lifts on the Index Disc to correspond to the number of flutes on the tap Insert in...

Page 82: ...ce Lands 1 Turn the Collet Drawtube Handwheel in the opposite direction of the tap s cutting edge until the Spindle and its Index Disc hit the positive stop of the Lift Cam 2 Unlock the Spindle Housin...

Page 83: ...photo 55 and centered with the wheel center 3 While advancing the table rotate the tap by the fixture handwheel in the opposite direction to that in which it cuts 4 Grind the broken end of the tap off...

Page 84: ...the wheel has been established set the micrometer toothrest to hold the flute against the stationary wheel Do not move the Crossfeed after this locating process has been completed as the proper rake...

Page 85: ...used to turn the Drive Plate with the Dead Center Assembly seated in the taper of the workhead spindle the spindle is locked relative to the workhead housing If adequate space does not seem to be ava...

Page 86: ...moving material so that the surface runs absolutely true relative to the spindle This procedure must be repeated every time a wheel is mounted on the spindle arbor or when a collet mounted wheel is at...

Page 87: ...ed of the grinder I If the machine is equipped with coolant use an adequate flow of this over the work at all times because it will provide more accuracy and will usually improve the final finish on t...

Page 88: ...rnishing holes to size The universal tool and cutter type of machine provides internal grinding capacities that will handle most requirements for the average shop or toolroom The general method of pro...

Page 89: ...aper or against the outside face of the spindle depending on the spindle construction If the arbor chosen is of the collet type choose the wheel desired insert the wheel shank well into the collet and...

Page 90: ...or travels in both directions C Start the machine wheel spindle and true and dress the wheel If the wheel is dressed on the side facing the operator then this same side should be used to grind the wor...

Page 91: ...sparking has been regular and suddenly becomes irregular the fault may be that the work is over heating the centers are dry or loose steady rests are out of adjustment or the wheel may have dirty or...

Page 92: ...the outside diameter of the cutter will be concentric with the milling spindle and that there are no high teeth on the periphery of the cutter Cylindrical grinding operations are performed with the cu...

Page 93: ...ish is required Table traverse should be approximately 50 inches per minute for rough grinding and between 10 to 20 inches per minute for finish grinding 7 After grinding is complete recheck the teeth...

Page 94: ...Grind this tooth to the same micrometer setting as that of the preceding tooth NOTE After this operation is complete the carbide teeth will be of equal thickness This makes it possible to index the cu...

Page 95: ...een positioned relative to the V dressed wheel 3 When the gumming process has been completed remove the wheel and place a cup wheel or straight wheel on the spindle Use the toothrest and the index dis...

Page 96: ...silicon carbide or diamond recessed wheel at a relief angle on the end or side of a tool up to 20 degrees The protractor can be used to guide the tool toward the wheel while maintaining a set end cut...

Page 97: ...nstant motion by i moving it back and forth across the wheel face ii rocking it and iii tipping it up and down slightly Grind the wheel running onto the tool at all times Dry grind during this process...

Page 98: ...s the wheel through the end mill In the latter case the workhead spindle is also rotated 90 degrees relative to the table b Mount larger cutters or cutters which tend to heat during static cut off in...

Page 99: ...front face of each tooth may be necessary to gain adequate chip clearance It is not necessary for opposite cutting edges to align on a diameter line through the cutter end The end mill will cut with...

Page 100: ...ding tooth face If it is necessary to make adjustments of the mill relative to the wheel during the grinding process do so only with the micrometer toothrest e The depth of gumming depends on a number...

Page 101: ...diamond dresser to create the angle on the wheel periphery Use the abrasive wheel dresser or other means to dress a small radius on the wheel edge at its largest diam eter side The radius size is not...

Page 102: ...ed Photo 70 shows a typical set up on a tool and cutter grinder for sharpening a slab forming tool The fixture s four swivel joints allow the tool to be swiveled in three axes for grinding multiple an...

Page 103: ...anner lock a 1 shank into the spindle by set screw when no bushing is used DO NOT TIGHTEN THE SET SCREW TOO MUCH DISTORTION OF THE TUBE END MAY RESULT The spindle for the bushing model B982 33 has a b...

Page 104: ...o the amounts stated in Table II rather than lowering the machine Wheelhead 7 Set the front Index Collar B982 35 and rear Stop Collar B982 36 on the sliding spindle in order to limit the travel to the...

Page 105: ...the fixture end downward the required clearance angle for the teeth ends and lock the vertical and horizontal swivels Adjust the micrometer toothrest until a tooth edge is the same height as the cente...

Page 106: ...k Distance Between Centers Mounted in B6043 B9043 and Tailstock Distance Between Collet in B6043 B9043 and Tailstock Distance Between B946 Chuck Face and Tailstock 1 Hole THROUGH CHUCK Table Working S...

Page 107: ...N D A R D A R B O R S Maximum Crossfeed Surface Grinding High Speed Spindle 5 wheel Maximum Crossfeed Surface Grinding Heavy Duty Spindle with 7 or 8 wheel Maximum Crossfeed Surface Grinding with 5105...

Page 108: ...Guard 6 B628 Wrench B780C Collet Chuck Assembly includes B780CD and B780CE Collets B780J Wheel Arbor 5 40 B780K Wheel Arbor 28 B855F Pulley and Wheel Arbor Assembly hole wheels up to wide B855W Wrenc...

Page 109: ...heel Guard or Tooth Rest B955PC Dovetail Clamp Assembly B960C Belt Guard B2055H1 V Pulley 3 2 B2055H2 V Pulley 4 B2055H3 V Pulley 6 B2055H5 V Pulley 2 B20S5H6 V Pulley 2 CV4NM60 Cup Wheel PR8AM70 Cut...

Page 110: ...29 5M775 V Belt 30 5M800 V Belt 3 1 A32 Mounted Cup Wheel A36 Mounted Wheel A37 Mounted Wheel W160 Mounted Wheel W 6 2 Mounted Wheel W163 Mounted Wheel WI84 Mounted Wheel W194 Mounted Wheel CV4NM60 C...

Page 111: ...ench for Stop and Reversing Screws III TOOLING FIXTURES AND ACCESSORIES A WORKHEADS FOR MODEL SERIES B300 B360 BA9C0 BA960 BA962 B2000 B2060 B2062 B942 Sensitive Workhead with No 11I B S Spindle Taper...

Page 112: ...tor D C Driven Workhead with No 5 Morse Spindle Taper B7043B12 Variable Speed 50 450 RPM Motor D C Driven Work head with No 12 B S Spindle Taper B9043M Motor A C Driven Workhead with No 50MM and No 5...

Page 113: ...I N D I N G FIXTURE B 9 4 5 T I L T I N G T A B L E A T T A C H M E N T B 1 0 9 4 H S AIR C O L L E T CLOSURE B 9 4 7 TAP G R I N D I N G FIXTURE C H U C K S B 9 4 4 4 6 JAW A D J U S T R U B 9 4 6 4...

Page 114: ...B 9 4 1 FIXTURES B 6 4 1 K STRAIGHT SLEEVES 11 B S O D TAPER B 9 0 1 8 C 1 R A I S I N G B L K B 9 0 1 8 C 2 2 R A I S I N G B L K B 9 0 1 8 C 3 3 R A I S I N G B L K B 1 0 7 0 SPIRAL G R I N D I N G...

Page 115: ...960 AND B2060 SERIES ORDER 1 S6055CL Spindle 1 B246E 8 Guard 1 B936CL Collet 1 B936W Wrench 1 B936P Puller FOR B6060 SERIES ORDER 1 B6062A Spindle 1 B246E 8 Guard 1 B936CV Collet and Pulley 2 1 B936C...

Page 116: ...e center of wheel when grinding with a straight wheel 104 Wheel Diameter Inches C for 4 Relief Angle C for 5 Relief Angle C for 6 Relief Angle C for 7 Relief Angle 104 113 122 131 139 150 157 165 174...

Page 117: ...of cutters with a cup wheel 1 0 5 Cutter Diameter Inches C for 4 Relief angle C for 5 Relief Angle C for 60 Relief Angle C for 7 Relief Angle 017 026 035 044 052 061 070 087 096 104 122 139 157 174 19...

Page 118: ...0 8 4 0 0 8 7 0 0 9 0 0 0 9 3 0 0 9 6 0 0 9 6 0 0 9 6 0 0 9 6 0 100 0 100 0 1 0 4 0 1 0 6 0 110 For Second Clear ance 0 072 0 0 7 2 0 0 9 5 0 1 2 0 0 1 2 0 0 120 0 1 4 5 0 1 4 5 0 1 6 8 0 170 0 1 9 2...

Page 119: ...cutters require larger relief angles 107 Reamer Diameter Relief Angle Clearance Angle to to to l l to 1 Over 1 20 to 15 15 to 10 10 to 8 8 to 6 6 40 to 30 30 to 20 20 to 16 16 to 12 12 005 010 010 020...

Page 120: ...9 3 4 3 9 4 3 4 8 5 3 5 8 6 3 6 8 7 3 7 7 8 7 9 7 10 6 11 6 12 6 13 5 14 5 Axial tilt 75 20 Axial tilt 0 2 0 3 0 5 0 7 0 9 1 0 1 2 1 4 1 5 1 7 1 9 2 1 2 2 2 4 2 6 2 8 3 1 3 5 3 8 4 2 4 5 4 9 5 3 Rad r...

Page 121: ...46 2 183 1 910 1 528 1 273 1 091 955 849 764 694 637 588 546 509 477 449 424 68 756 46 594 34 378 27 502 22 918 21 826 17 189 8 594 5 729 4 297 3 438 2 865 2 455 2 148 1 719 1 432 1 228 1 074 955 859...

Page 122: ...even VIII STANDARD WHEEL SHAPES Standard Shapes of Grinding Wheel Faces When no face is specified a straight A face wheel is furnished The different faces which are regularly supplied are designated b...

Page 123: ...er Diameter of Flat Inside Large Diameter of Bevel Diameter of Recess Radius Thickness Over AH Width of Face Angle of Bevel Thickness of Wall Type No 1 Straight Type No 1 Cut off Type No 2 Cylinder Ty...

Page 124: ...6 7469 7 1438 7 5406 7 9375 8 3344 8 7312 9 1281 9 5250 9 9219 10 3188 10 7156 11 1125 11 5094 11 9062 12 3031 12 7000 FRACTION OF INCH 33 64 17 32 35 64 9 16 37 64 19 32 39 64 5 8 41 64 21 32 43 64 1...

Page 125: ...erature the exact tem perature and the period the temperature is held depends upon the composition of the metal being annealed and cooling it slowly to remove stresses to induce soft ness to refine th...

Page 126: ...lves Bed One of the principal parts of a machine tool having accurately machined ways or bearing surfaces for supporting and aligning other movable parts of the machine Bevel The angle formed by a lin...

Page 127: ...Also the trade name for this abrasive Cast Iron Iron which is cast in molds is granular in form and contains a high percentage of carbon in the form of graphite It cannot be rolled forged or tempered...

Page 128: ...incipal part of a lathe frequently called a compound rest consisting of an upper and lower part dovetailed together The lower part or base is graduated in degrees and can be swiveled to any angle for...

Page 129: ...ding or spacing holes slots gear teeth and geometric shapes precisely When geared to the table lead screw of a universal miller helices sometimes called spirals can be cut A grinder universal workhead...

Page 130: ...often measured by a profilameter measuring surface roughness Finishing The final cuts taken with a grinding wheel to obtain accuracy and the surface desired Fixture A device for holding work in a mac...

Page 131: ...n grit Abrasive classified into predetermined sizes for use in polishing in grinding wheels and in coated abrasive Grain Size The size of the cutting particles of a grinding wheel or polishing abrasiv...

Page 132: ...n on the blueprint Interlocking Cutters Milling cutters consisting of two sections Mating sections are similar to half side or staggered tooth cutters with uniform or alternate helical teeth so design...

Page 133: ...chine Tool The name given to that class of machines which taken as a group can reproduce themselves Mandrel A hardened tapered or slightly tapered metal shaft with the outside precisely concentric wit...

Page 134: ...ht or tapered plain or threaded and of any cross sectional shape Profilometer An instrument for measuring the degree of surface roughness in micro inches and often stated in R M S root mean square val...

Page 135: ...Angle An angle of 90 degrees Right Cut Tool A single point lathe tool which when viewed from the point end of the tool with the face up has the cutting edge on the right side When used in the lathe t...

Page 136: ...gle ground on the sides of a single point cutting tool It is replaced by the new term side relief angle Side Milling Cutters Cutters which have cutting teeth on one or both sides as well as on the cir...

Page 137: ...is used to prevent slender work from springing away from the cutting tool or wheel or to permit machining operations to be performed on the end of the workpiece Sometimes called a center rest Stops De...

Page 138: ...hamfered back for a length of 8 to 10 threads for easy starting T Bolt A threaded bolt having a square or rectangular end which fits into the T slot of a machine table for clamping workpieces Teeth Mo...

Page 139: ...ther Ways The flat or V shaped bearing surfaces on a machine that aligns and guides the movable part of the machine that rides on them Wheel Dresser A device to true the face of a grinding wheel Wheel...

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K. O. LEE B360, Instruction Manual

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