1楼：匿名用户
对，10是导程，p5的5是单线的螺距，所以这个螺纹是双线螺纹，导程为10
梯形螺纹tr100×8—7h和tr100×8—7e有什么不同?
2楼：匿名用户
梯形螺纹tr100×8-7h表示梯形螺纹大径尺寸为∮100，螺距为8毫米，螺纹中径、顶径公差为7级标准公差，偏差为h，旋向为右旋的螺纹孔。
梯形螺纹tr100×8-7e表示梯形螺纹大径尺寸为∮100，螺距为8毫米，螺纹中径、顶径公差为7级标准公差，偏差为e，旋向为右旋的梯形螺杆。
偏差代号区分基准制；以偏差代号h确定。当孔的偏差代号为h时，就是基孔制，轴的偏差代号为h时就是基轴制。
tr9x5(p2.5)-7e
3楼：
汇编可以么
led_1 equ 30h
led_2 equ 31h
led_3 equ 32h
led_4 equ 33h
led_5 equ 34h
led_6 equ 35h
led_7 equ 36h
led_8 equ 37h
timer equ 38h
mode equ 39h ;模式判断
flash equ 40h ;闪烁判断 1亮 0不亮
button1 equ 41h ;按钮开关
button2 equ 42h ;按钮开关
button3 equ 43h ;按钮开关
button4 equ 44h ;按钮灵敏
cs1 equ p2.0
cs2 equ p2.1
wr_on equ p2.2
;-------------------------------
; 按钮
;-------------------------------
in_set equ p2.3
in_gal equ p2.4
in_sub equ p2.5
;-------------------------------
; 主程序
;接口：d0-d7 接 p1.0-p1.7
; cs1 p2.0 cs2 p2.1 wr p2.2
;-------------------------------
*** 0000h
jmp main
*** 000bh
jmp t0int
*** 0030h
main:
call sysinit
;-------------------------------
start:
jmp start
;-------------------------------
; 计时器子程序
;-------------------------------
t0int:
mov th0,#03ch
mov tl0,#0afh
call show
djnz button4,t0int1
mov button4,#10
call aj1
call aj3
call aj5
t0int1:
djnz timer,t0intend
call mode_pd1
t0intend:
reti
;-------------------------------
; 模式判断
;-------------------------------
mode_pd1:
mov a,mode
cjne a,#0,mode_pd2
mov timer,#200
call cadd
jmp mode_pdend
mode_pd2:
mov a,mode
cjne a,#1,mode_pd3
mov timer,#50
call flash1
jmp mode_pdend
mode_pd3:
mov a,mode
cjne a,#2,mode_pd4
mov timer,#50
call flash3
jmp mode_pdend
mode_pd4:
mov a,mode
cjne a,#3,mode_pdend
mov timer,#50
call flash5
mode_pdend:
ret;-------------------------------
; 按钮
;-------------------------------
aj1:
mov a,button1
cjne a,#1,aj2
jb in_set,ajend
mov button1,#0
call save2
mov timer,#1
inc mode
mov a,mode
cjne a,#4,ajend
mov mode,#0
mov timer,#100
jmp ajend
aj2:
mov a,button1
cjne a,#0,aj1
jnb in_set,ajend
mov button1,#1
jmp ajend
aj3:
mov a,button2
cjne a,#1,aj4
jb in_gal,ajend
mov button2,#0
call gal1
jmp ajend
aj4:
mov a,button2
cjne a,#0,aj3
jnb in_gal,ajend
mov button2,#1
jmp ajend
aj5:
mov a,button3
cjne a,#1,aj6
jb in_sub,ajend
mov button3,#0
call sub1
jmp ajend
aj6:
mov a,button3
cjne a,#0,aj5
jnb in_sub,ajend
mov button3,#1
jmp ajend
ajend:
ret;-------------------------------
; 加法
;-------------------------------
gal1:
mov a,mode
cjne a,#3,gal2
inc 58h
mov a,58h
cjne a,#10,galend
mov 58h,#0
inc 57h
mov a,57h
cjne a,#6,galend
mov 57h,#0
gal2:
mov a,mode
cjne a,#2,gal3
inc 55h
mov a,55h
cjne a,#10,galend
mov 55h,#0
inc 54h
mov a,54h
cjne a,#6,galend
mov 54h,#0
gal3:
mov a,mode
cjne a,#1,galend
inc 52h
mov a,52h
cjne a,#10,gal32
mov 52h,#0
inc 51h
gal32:
cjne a,#4,galend
mov a,51h
cjne a,#2,galend
mov 52h,#0
mov 51h,#0
galend:
call save2
ret;-------------------------------
; 减法
;-------------------------------
sub1:
mov a,mode
cjne a,#3,sub2
dec 58h
mov a,58h
cjne a,#-1,subend
mov 58h,#9
dec 57h
mov a,57h
cjne a,#-1,subend
mov 57h,#5
sub2:
mov a,mode
cjne a,#2,sub3
dec 55h
mov a,55h
cjne a,#-1,subend
mov 55h,#9
dec 54h
mov a,54h
cjne a,#-1,subend
mov 54h,#5
sub3:
mov a,mode
cjne a,#1,subend
dec 52h
mov a,52h
cjne a,#-1,subend
mov 52h,#9
dec 51h
mov a,51h
cjne a,#-1,galend
mov 52h,#3
mov 51h,#2
subend:
call save2
ret;-------------------------------
; 闪烁
;-------------------------------
flash1:
mov a,flash
cjne a,#0,flash2
mov 51h,led_1
mov 52h,led_2
mov led_1,#11
mov led_2,#11
mov flash,#1
jmp flashend
flash2:
mov a,flash
cjne a,#1,flashend
mov led_1,51h
mov led_2,52h
mov flash,#0
jmp flashend ;小时闪烁
flash3:
mov a,flash
cjne a,#0,flash4
mov 54h,led_4
mov 55h,led_5
mov led_4,#11
mov led_5,#11
mov flash,#1
jmp flashend
flash4:
mov a,flash
cjne a,#1,flashend
mov led_4,54h
mov led_5,55h
mov flash,#0
jmp flashend ;分钟闪烁
flash5:
mov a,flash
cjne a,#0,flash6
mov 57h,led_7
mov 58h,led_8
mov led_7,#11
mov led_8,#11
mov flash,#1
jmp flashend
flash6:
mov a,flash
cjne a,#1,flashend
mov led_7,57h
mov led_8,58h
mov flash,#0 ;秒钟闪烁
flashend:
ret;-------------------------------
; 数据加减
;-------------------------------
cadd:
inc led_8
mov a,led_8
cjne a,#10,caddend
mov led_8,#0
inc led_7
mov a,led_7
cjne a,#6,caddend
mov led_7,#0
inc led_5
mov a,led_5
cjne a,#10,caddend
mov led_5,#0
inc led_4
mov a,led_4
cjne a,#6,caddend
mov led_4,#0
inc led_2
mov a,led_2
cjne a,#10,cadd2
mov led_2,#0
inc led_1
cadd2:
cjne a,#4,caddend
mov a,led_1
cjne a,#2,caddend
call sysinit
caddend:
call save1
ret;-------------------------------
; 数据显示
;-------------------------------
show:
mov r0,#30h
mov r1,#8
mov r2,#b
show1:
mov a,r2
mov p0,a
call cs2_on
rr a
mov r2,a
mov a,@r0
movc a,@a+dptr
mov p0,a
call cs1_on
call delay
mov p0,#0ffh
call cs1_on
call cs2_on
inc r0
djnz r1,show1
retcs1_on:
clr wr_on
clr cs1
setb wr_on
setb cs1
retcs2_on:
clr wr_on
clr cs2
setb wr_on
setb cs2
ret;-------------------------------
; 数据储存
;-------------------------------
save1:
mov 51h,led_1
mov 52h,led_2
mov 54h,led_4
mov 55h,led_5
mov 57h,led_7
mov 58h,led_8
retsave2:
mov led_1,51h
mov led_2,52h
mov led_4,54h
mov led_5,55h
mov led_7,57h
mov led_8,58h
ret;-------------------------------
; 数据初始化
;-------------------------------
sysinit:
mov led_1,#0
mov led_2,#0
mov led_3,#10
mov led_4,#0
mov led_5,#0
mov led_6,#10
mov led_7,#0
mov led_8,#0
call save1
mov timer,#200
mov mode,#0
mov flash,#0
mov button1,#1
mov button2,#1
mov button3,#1
mov button4,#3
mov th0,#03ch
mov tl0,#0afh
setb tr0
setb et0
setb ea
mov dptr,#tab
ret;-------------------------------
; 延迟
;-------------------------------
delay:
mov r6,#255
djnz r6,$
ret;-------------------------------
; 段码
;-------------------------------
tab:
db 0c0h,0f9h,0a4h,0b0h,99h,92h,82h,0f8h,80h,90h,0bfh,0ffh
;0- "0"
;1- "1"
;2- "2"
;;9- "9"
;10-"-"
;11-" "end