Bài giản về CadCamCnctcposam

Turning Center Programming And Operation Lesson One: Machine Configurations Copyright 2002, CNC Concepts, Inc You must understand the Key Concept machine you’ll be working with! X00.0000 Number Z00.0000 One In key concept #1 we look at the FANUC 10T O X I F M POWER ON U E OFF [ N Y J D S] V ? PAGE G Z K H T @ P Q R L ( EOB) W @ A B C # / = + Sp , * RESET START CALC CAN INPUT CURSOR NC/PC SHIFT AUX machine from a programmer’s viewpoint CYCLE START FEED HOLD MDI JOG AUTO ON HANDLE OFF DRY RUN ZERO EDIT MODE RETURN 100% MEMORY PROTECT Z+ Z- 0% X- EMERGENCY STOP 200% ON OFF SPINDLE X1 Z X10 Z X100 FAST X 10 11 12 SLOW BLOCK DELETE ORIGIN TURRET INDEX 100% 100% 0% RAPID OVERRIDE FEEDRATE OVERRIDE JOYSTICK OPTIONAL STOP ON X 100% 10% MACHINE LOCK OFF 50% 25% X+ SINGLE BLOCK 130% 0% 130% OD ID AXIS LOAD SPINDLE LOAD X Z CLAMP DIRECTION In key concept #7 we look at the machine from an operator’s viewpoint Key concept #1 CHUCK TAILSTOCK From programmer’s viewpoint Key concept #7 From operator’s viewpoint Key Concept Number One You must understand the machine you’ll be working with! Seven Lessons Machine configurations Understanding turning center feeds and speeds General flow of CNC Usage Visualizing the execution of a CNC program Understanding program zero Determining program zero assignment values Three ways to assign program zero Key Concept Number One You must understand the machine you’ll be working with! Seven Lessons Machine configurations Understanding turning center feeds and speeds General flow of CNC Usage Visualizing the execution of a CNC program Understanding program zero Determining program zero assignment values Three ways to assign program zero Key Concept Number One You must understand the machine you’ll be working with! Seven Lessons Machine configurations Understanding turning center feeds and speeds General flow of CNC Usage Visualizing the execution of a CNC program Understanding program zero Determining program zero assignment values Three ways to assign program zero Key Concept Number One You must understand the machine you’ll be working with! Seven Lessons Machine configurations Understanding turning center feeds and speeds General flow of CNC Usage Visualizing the execution of a CNC program Understanding program zero Determining program zero assignment values Three ways to assign program zero Key Concept Number One You must understand the machine you’ll be working with! Seven Lessons Machine configurations Understanding turning center feeds and speeds General flow of CNC Usage Visualizing the execution of a CNC program Understanding program zero Determining program zero assignment values Three ways to assign program zero Key Concept Number One You must understand the machine you’ll be working with! Seven Lessons Machine configurations Understanding turning center feeds and speeds General flow of CNC Usage Visualizing the execution of a CNC program Understanding program zero Determining program zero assignment values Three ways to assign program zero Key Concept Number One You must understand the machine you’ll be working with! Seven Lessons Machine configurations Understanding turning center feeds and speeds General flow of CNC Usage Visualizing the execution of a CNC program Understanding program zero Determining program zero assignment values Three ways to assign program zero Key Concept Number One 10 You must understand the machine you’ll be working with! Seven Lessons Machine configurations Understanding turning center feeds and speeds General flow of CNC Usage Visualizing the execution of a CNC program Understanding program zero Determining program zero assignment values Three ways to assign program zero All turning centers have certain programmable features… ✰ Turret index ✰ Spindle activation ✰ Feedrate ✰ Coolant Some turning centers have additional programmable features… ✰ Jaw open/close ✰ Tailstock positioning ✰ Door open/close ✰ Others? 165 All turning centers have certain programmable features… ✰ Turret index ✰ Spindle activation ✰ Feedrate ✰ Coolant Some turning centers have additional programmable features… ✰ Jaw open/close ✰ Tailstock positioning ✰ Door open/close ✰ Others? 166 Feedrate: You can specify the feedrate for cutting motions in one of two ways… G98 In “per minute” fashion 167 Inches or millimeters per minute or G99 In “per revolution” fashion Inches or millimeters per revolution An F word specifies the feedrate In inch mode: G99 F0.005 (0.005 inches per revolution) G98 F15.0 (15.0 inches per minute) 168 Feedrate: You can specify the feedrate for r fo ) 9 twosways… cutting motions in one of G ( ” n n r o o i e i t t v a r Inches eor millimeters lu e o n v p e e o h r w g r G98 In “per minute” fashion ) n e i eminute t p t t per “ a u r e c G d ( l d l e ” Us e a e e f p t t p s u a o o n t i e s alm “per mor o mak indle t p Inches or millimeters t e s s n e a U h G99 In “peryorevolution” u w with tfashion per revolution t n e m e v o m F word specifies the feedrate An In inch mode: G99 F0.005 (0.005 inches per revolution) G98 F15.0 (15.0 inches per minute) All turning centers have certain programmable features… ✰ Turret index ✰ Spindle activation ✰ Feedrate ✰ Coolant Some turning centers have additional programmable features… ✰ Jaw open/close ✰ Tailstock positioning ✰ Door open/close ✰ Others? 169 All turning centers have certain programmable features… ✰ Turret index ✰ Spindle activation ✰ Feedrate ✰ Coolant Some turning centers have additional programmable features… ✰ Jaw open/close ✰ Tailstock positioning ✰ Door open/close ✰ Others? 170 171 Coolant: Two more M codes control flood coolant: M08: Turn flood coolant on M09: Turn flood coolant off Coolant is, of course, used to cool and lubricate the cutting operation All turning centers have certain programmable features… ✰ Turret index ✰ Spindle activation ✰ Feedrate ✰ Coolant Some turning centers have additional programmable features… ✰ Jaw open/close ✰ Tailstock positioning ✰ Door open/close ✰ Others? 172 All turning centers have certain programmable features… ✰ Turret index ✰ Spindle activation ✰ Feedrate ✰ Coolant Some turningThese centers have additional functions are almost programmable features… always handled with M codes ✰ Jaw open/close ✰ Tailstock positioning ✰ Door open/close ✰ Others? 173 All turning centers have certain programmable features… ✰ Turret index ✰ Spindle activation ✰ Feedrate ✰ Coolant Some turning centers have additional programmable features… ✰Check Jaw open/close in your machine’s programming manual to positioning see if you have any other ✰ Tailstock programmable features! ✰ Door open/close ✰ Others? 174 Lesson One Lesson Summary   Basic machining practice Machine configurations  Programmable functions  Universal slant bed  Chucker slant bed  Twin spindle horizontal  Single/twin spindle vertical  Mill/turn machines 175 Lesson One Lesson Summary   Basic machining practice Machine configurations  Programmable functions  Universal slant bed  Chucker slant bed  Twin spindle horizontal  Single/twin spindle vertical  Mill/turn machines 176 Lesson One Lesson Summary   Basic machining practice Machine configurations  Programmable functions  Universal slant bed  Chucker slant bed  Twin spindle horizontal  Single/twin spindle vertical  Mill/turn machines 177 Lesson One Lesson Summary   Basic machining practice Machine configurations  Programmable functions  Universal slant bed  Chucker slant bed  Twin spindle horizontal  Single/twin spindle vertical  Mill/turn machines 178 179 e c i t c a r p o D e s i c r e ex ! e n o r e b m u n