3. 2.2 GENERAL PROGRAM FORM (Cent’d)
(4) The character specified on 2. 1.2 Address
and Function Characters should be used for
programming , but others should not.
(5) Where the tape vertical parity check (TV
check) is made,
number of characters in a
block must be even. If odd, it should be
made even by using “ SP” character.
(6) The disregarded characters such as “BS,
Tab , SP, UC , LC and Del” should be avoid-
ed from the significant data area, if unnec–
essary.
The maximum allowable number of characters
in a block is 128.
The disregarded charac-
ters such as “Del,
BS and Tab” are not in–
eluded in them.
Mak, PQ [he Ndmber of Cnaraclers e,ec ,gr W Check
\
N12 G 00 X40000Z200000S?
\
L
f
~20 CHARACTEQS~
(EVEN NUMBER’
(Odd number causes taoe ~e,.lcal car ly error 1
TTe
rnax!mumAllowable N~mbef c, Characters lr, a Block.
(7) SP (Space) character
SP character is usually disregarded when
tape data is read in.
However, in the follow-
ing cases, SP is read and its function for
providing space on the CRT screen is effec-
tive.
3.3.2 NC TAPE PUNCH
NC tape must be punched out with the tape punch-
er for EIA code or 1S0 code according to conten’ts
of process sheet.
When punching the tape, at the beginning and
the end of the tape, provide the feed holes part
needed for the tape feeding . Where the punched
tape is wound on the reel+ of tape reader, the
feed holes part will be 70 cm in length.
3. 3.3 NC TAPE CHECK
NC tape can be checked by using the following
function.
. Machine lock
M function lock t
“ Dry run
o Single block operation
3.4 NC TAPE HANDLING
3.4.1 SPLICING NC TAPES
To splice NC
tapes, stick a joining tape (O.08 mm
thickness) with sprocket holes , or fully perfor-
ated joining tape on the one side of the spliced
NC tape. Before
using the spliced NC tape, make
sure that the sprocket holes are in position. The
joining part of tapes should not be extremely
thick, and do not use the rigid adhesive agent
without flexibility.
“SP” used in parentheses.
3.3 NC TAPE
3. 3.1 PAPER TAPE
Eight-channel paper tape for computers comply-
ing with JIS1 -6243 is used as standard.
The di-
mensions are 25.4 *O. 08 mm (1 inch) width and
O.108 mm (O.0042 inch) thickness.
It is recommended that the color of the tape is
black or gray, but not that of high transparency.
If the tape with high transparency is used, the
tape reader may misread it.
J===’’”NG
(NBC SPLICE TAPE
8-CHANNEL
1
FULLY PERFORATED
SILVEP
Nc iApE
Splicing of NC Tape
3. 4.2 KEEPING OF NC TAPE
For life expectancy of NC tape, the following
handling is recommended.
When keeping NC tape, avoid moisture and oil.
Do not handle the tape with oil-stained gloves.
Properly kept tapes will permit 300 times of
reading and rewinding.
1 Japanese Industrial Standard
150
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