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為避免工件、夾具以及在工件周圍可能與刀具發(fā)生的干涉，就必須計(jì)算出刀具和工件的接觸點(diǎn)，得到刀觸點(diǎn)序列，根據(jù)刀觸點(diǎn)序列和刀具形狀確定刀位點(diǎn)的位置，從而規(guī)劃出刀具的運(yùn)動(dòng)軌跡，而不同的計(jì)算方法對(duì)刀具的運(yùn)動(dòng)軌跡影響很大，因此，優(yōu)化刀具軌跡算法也就顯得至關(guān)重要。刀具軌跡算法主要有以下幾種：
2.2.1.等參數(shù)線法
等參數(shù)線法較為簡(jiǎn)單，因此被得到廣泛應(yīng)用。這種算法基于原始曲面的參數(shù)路徑，故而容易獲取。由于大部分被加工曲面的構(gòu)建過程都有著固定的曲面參數(shù)，因此很多刀具就借用了這些參數(shù)來獲取加工路徑。但是，僅通過借助這些參數(shù)生成的路徑，往往很難有效控制工件表面的曲面精度。其結(jié)果往往是，在曲面較窄的部位上，刀具路徑過于復(fù)雜，而在曲面較寬的位置，刀具路徑又過于稀疏。在這種條件下，工件表面粗糙度不能得到保證，表現(xiàn)得很不均勻，甚至?xí)霈F(xiàn)路徑重復(fù)的結(jié)果，其加工精度也難以保障。
2.2.2.等距截面法
這種算法包含CL和CC兩種。其中，CL路徑截面線法是在加工過程中，其刀具路徑可以被運(yùn)用到另一個(gè)曲面。由此一來，在被加工曲面上產(chǎn)生的刀具偏置面就將與上述曲面形成一條交線，CL路徑截面線法就將這一交線就作為刀具路徑。而對(duì)于CC路徑截面線法，則是利用加工過程中刀具與工件的接觸作為另一曲面的路徑。相對(duì)CL路徑截面線法來說，CC路徑截面線法對(duì)加工時(shí)刀具路徑的控制比較容易，刀具路徑的分布也比較均勻。特別對(duì)于那些參數(shù)分布不太均勻的復(fù)雜曲面，CC路徑截面線法的加工效率往往表現(xiàn)地更高，但其路徑算法相對(duì)更加復(fù)雜，計(jì)算工作量比較大。
OKUMA SPINDLE DRIVE TOP BOARD E4809-045-084-G
Okuma Opus7000 Compact Rack E7191-090-007 E4809-045-216
OKUMA E4809-045-113 _ E4809045113 1911-1599-4435
OKUMA E4809-045-109-C OPUS 5000 II SVP BOARD
OKUMA OPUS 3000.2000 MEMORY BOARD E4809-045-048C
OKUMA BMP-N01 E4809-045-042-D
OKUMA E4809-045-106-F OPUS 5000 II CRP II-C
OKUMA OPUS 5000 2 DATA BOARD 2 E4809-045-073-D
OKUMA E4809-045-091-E OPUS 5000 II MAIN BOARD W/ BUBBLE
OKuma MB1 board 1911-2100 E4809-045-148-C Main PCboard
Okuma OSP 500 E4809-045-088-E CRP-9 A911-1580R Board
OKUMA SPC1 board, SPCI, E4809-045-110-C, 1911-1534
OKUMA SVPIID board, SVP2D, E4809-045-109-D, 1911-1531
Okuma Opus 7000 PS60 Opus7000 Board E4809-045-217-C
Okuma Opus 7000 FCP Opus7000 Board E4809-045-223-A
OKUMA Opus7000 FUB-P4R2 card Board Module E4809-045-175
Okuma OPUS 5000 Main E4809-045-045-G _1911-1140-27-7
Okuma OPUS 5000 Main E4809-045-044 _ 1911-1105-31-15?2
Okuma OPUS 5000 FDC E4809-045-062-F _ 1911-1132-52.13
Okuma OPUS 5000 E4809-045-039 E _1911-1110-35-40 _E4809
Okuma OPUS 5000 E4809-045-038-C _1911-1103-64-41 Main 3
Okuma OPUS 5000 Axis Card 1 PR3 DA3 E4809-045-040-A PCB
Okuma OPUS 5000 ECP 1 E4809-045-047C _ 1911-1140-27-7
OKUMA OSP3000 Isolation Circuit Board #E4809-045-010-?B
Okuma Circuit Board Opus 5000II #E4809-045-106-?G CRPIIC
OKUMA CRP II-C E4809-045-106-G 1911-1692-107-2?04 BOARD
OKUMA E4809-045-091-E 1911-1520-99-75 MAIN BOARD
OKUMA E4809-045-112-C 1911-1598-30.97 E4809045112C
OKUMA Opus7000 FUB-P4M4 card Board Module E4809-045-174
OKUMA OSP3000 FILE Circuit Board #E4809-045-013-E
OKUMA OSP3000 Isolation Circuit Board #E4809-045-010-?A
OKUMA SDU 600W E4809 045 019C PRINTED CIRCUIT BOARD PCB
OKUMA E4809 045 113 _ E4809045113 TCC-B CIRCUIT BOARD
OKUMA E4809-045-113 _ E4809045113 TCC-B CIRCUIT BOARD
Okuma FDC Circuit Board E4809-045-062-F E4809-045-062F
OKUMA OSP3000 Isolation Circuit Board #E4809-045-010-?C
OKUMA OSP3000 FILE Circuit Board #E4809-045-013-F
OKUMA OSP3000 Mother Circuit Board #E4809-045-012-D
OKUMA E4809-045-038-C USPP E4809045038C
OKUMA E4809-045-061-D USPP E4809045061D
OKUMA E4809-045-077-A USPP E4809045077A
OKUMA SVPIID-DA E4809-045-109-D
OKUMA E4809-045-086-A USPP E4809045086A
OKUMA E4809-045-091-E USPP E4809045091E
OKUMA E4809-045-106-D USPP E4809045106D
OKUMA E4809-045-109-C USPP E4809045109C
OKUMA E4809-045-110-C USPP E4809045110C
OKUMA E4809-045-112-C USPP E4809045112C
OKUMA E4809-045-113 USPP E4809045113
OKUMA E4809-045-133-A USPP E4809045133A
OKUMA E4809-045-133-B USPP E4809045133B
Okuma Servo Unit for BL-80E-20 Motor, E4809-045-061-D
Okuma PC Board # E4809-045-077-A
OKUMA CRPIIC OPUS 5000II CRPII-C E4809-045-106-F
Okuma Opus 5000 CMOS Memory Card, E4809-045-167-C
Okuma Opus 5000 Main Card3, E4809-045-038-B?
Okuma Opus 5000 Main Card 5, E4809-045-044
Okuma Opus 5000 Main Board, E4809-045-035-C
OKUMA OPUS 5000 2 DATA BOARD 2 E4809-045-073-D
OKUMA 0PUS7000 OSP 7000 PANEL IF CARD E4809-045-205-A
OKUMA E4809-045-113 TCC-B
OKUMA OPUS 5000 MAIN BOARD 2 B E4809-045-091-C
OKUMA OPUS 5000 MAIN BOARD E4809-045-086-A
OKUMA SPINDLE DRIVE TOP BOARD E4809-045-084-G VAC-BOARD
OKUMA SPC1 board, SPCI, E4809-045-110-C?, 1911-1534
OKUMA SVPIID board, SVP2D, E4809-045-109-D?, 1911-1531
Okuma Opus7000 Compact Rack E7191-090-007 E4809-045-216
OKUMA E4809-045-133-A USPP E4809045133A
OKUMA E4809-045-091-E 1911-1520-99-75
OKUMA OSP3000 Isolation Circuit Board #E4809-045-010-?B
Okuma Circuit Board Opus 5000II #E4809-045-106-?G
OKUMA E4809-045-133-B USPP E4809045133B
OKUMA CRP II-C E4809-045-106-G 1911-1692-107-2?04 BOARD
OKUMA E4809-045-112-C 1911-1598-30.97 E4809045112C
OKUMA E4809-045-109-C OPUS 5000 II
OKUMA E4809-045-113 TCC-B BOARD
OKUMA Opus7000 FUB-P4M4 card Board Module E4809-045-174
OKUMA OSP3000 FILE Circuit Board #E4809-045-013-?E
OKUMA E4809-045-106-D USPP E4809045106D
OKUMA OSP3000 #E4809-045-010-?A
OKUMA SDU 600W E4809 045 019C
Okuma Opus 7000 PS60 Opus7000 Board E4809-045-217-C
OKUMA E4809 045 113 _ E4809045113 TCC-B
OKUMA E4809-045-113 _ E4809045113 TCC-B
OKUMA E4809-045-106-F OPUS 5000 II CRP II-C
Okuma FDC Circuit Board E4809-045-062-F E4809-045-062F
OKUMA OSP3000 Isolation Circuit Board #E4809-045-010-?C
OKUMA OSP3000 FILE Circuit Board #E4809-045-013-?F
OKUMA E4809-045-110-C USPP E4809045110C
OKUMA OSP3000 Mother Circuit Board #E4809-045-012-?D
Okuma OPUS 5000 Main E4809-045-045-G _1911-1140-27-7
Okuma OPUS 5000 Main E4809-045-044 _ 1911-1105-31-15?2
OKUMA E4809-045-061-D USPP E4809045061D
Okuma OPUS 5000 FDC E4809-045-062-F _ 1911-1132-52.13
OKUMA E4809-045-091-E OPUS 5000 II MAIN BOARD W/ BUBBLE
Okuma OPUS 5000 E4809-045-039 E _1911-1110-35-4?0 _E4809
Okuma OPUS 5000 E4809-045-038-C _1911-1103-64-4?1 Main 3
Okuma OPUS 5000 Axis Card 1 PR3 DA3 E4809-045-040-A PCB
Okuma OPUS 5000 ECP 1 E4809-045-047C _ 1911-1140-27-7
OKUMA E4809-045-112-C USPP E4809045112C
OKUMA SVPIID-DA E4809-045-109-D
OKUMA OPUS 3000.2000 MEMORY BOARD E4809-045-048C
OKUMA BMP-N01 E4809-045-042-D
Okuma Opus 5000 Main Card3, E4809-045-038-B?
Okuma CRP II-C Board Opus 5000 II E4809-045-106F
OKUMA OPUS 5000 2 DATA BOARD 2 E4809-045-073-D
OKuma MB1 board 1911-2100 E4809-045-148-C Main PCboard
Okuma Opus 5000 CMOS Memory Card, E4809-045-167-C
Okuma Opus 5000 Main Card 5, E4809-045-044
Okuma Opus 5000 Main Board, E4809-045-035-C
OKUMA 0PUS7000 OSP 7000 PANEL IF CARD E4809-045-205-A
OKUMA SPC1 board, SPCI, E4809-045-110-C?, 1911-1534
OKUMA SVPIID board, SVP2D, E4809-045-109-D?, 1911-1531
