Page 1400 - S.I.T.E.切削工具ガイドブックVol.4 非鉄金属用

ΦʔΤεδʔ 3) ਫ਼౓ʹ͍ͭͯ 3) -JNJU
ΦʔΤεδʔ 3)ਫ਼౓ʹ͍ͭͯɹ3) -JNJU
ग़యɿΦʔΤεδʔגࣜձࣾ
ग़యɿΦʔΤεδʔגࣜձࣾ
04(ߔͳ͠λοϓγϦʔζʢχϡʔϩʔϧλοϓɺϋΠϩʔϧλοϓʣ͸ɺ OSG's f uteless taps(NRT, HRT)are described by the RH Limit system. The
઼ੑมܗʹΑΓΊͶ͡ΛՃ޻͢ΔͨΊɺ੾࡟λοϓͱҟͳͬͨݫ͍͠Լ݀ limits are established in increments of 12.7Жm.
؅ཧ͕ඞཁͱͳΓɺͦΕʹै͍λοϓͷਫ਼౓΋ݫͯ͋͘͠͠Γ·͢ɻ04(
Ͱ͸ɺެࠩ ЖNʢ ˅ʣͷ֊ஈঢ়ͷਫ਼౓Λ࠾༻͓ͯ͠Γ·͢ɻ
3) ਫ਼౓
RH LIMIT ্ͷڐ༰ࠩɿ ʷ O upper limit : 0.0127 ʷ n
Լͷڐ༰ࠩɿ্ͷڐ༰ࠩʵ wol i l r e m 0 . 0 : t i 1 2 7 ʷ n ʵ 0.0127
୯ Ґ N N nU : t i m m O 3) ൪߸ʣ (n=RH number)
˙ྫ .̏ʷ̌ ̑ɹExample M3ʷ0.5
+160 +153
+150 RHλοϓਫ਼౓ RH ̍2
લJISΊͶ͡ਫ਼౓
JISΊͶ͡ਫ਼౓
+140 RH LIMITS +140 PREVIOUS JIS INTERNAL THREAD JIS INTERNAL THREAD
+130 +127 RH ̍̍ +125 +125
+120 +114 RH ̍0
༗ +110 +101 RH9
ɹ
+100 RH8 3ڃ૬౰ +100 +100
ޮ +90 +89 recommended for class 3 3 7
ɹ
+80 JISλοϓਫ਼౓ +77 RH7 +80 ڃ ެ +80 H
ܘ +70 JIS LIMITS RH6 1 ڃ 2 ࠩ 5 6 ެ ࠩ
ớ +64 ڃ ެ H H
pitch dia.( Жm)
Жm +60 +56 RH5 2ڃ૬౰ ެ ࠩ Class 3 ެ ެ

ࠩ
recommended for class 2
Ờ +50 ISO 3 +51 RH4 ࠩ ࠩ Tolerance
+40 +35 +40 ISO +39 1ڃ૬౰ Class 1 Class 2 Tolerance
+30 +25 3ڃ +24 2 +26 RH3 recommended for class 1 Tolerance
+20 +18 2ڃ ISO +13 RH2
+10 +6 ̍bڃ +10 +15 1 +8 RH1
ج४༗ޮܘ 0 ̍aڃ +6 0
basic pitch dia. -6
˙ྫ .̍̌ʷ̍ ̑ɹExample M10ʷ1.5
+230 લJISΊͶ͡ਫ਼౓ JISΊͶ͡ਫ਼౓ɹJIS INTERNAL THREAD
+220 PREVIOUS JIS INTERNAL THREAD +224
+210 +210 7
+180 +180 H ެ
+170 ڃ 3 6 ࠩ
+160 RHλοϓਫ਼౓ ެ ެ H
ࠩ
RH LIMITS +153
+150 RH̍2 ࠩ Tolerance
༗ +140 +140 3ڃ૬౰ +140 Class 3 +140
ɹ
RH̍̍
+130 JISλοϓਫ਼౓ +127 recommended for 2 5 H Tolerance
class 3
ޮ +120 JIS LIMITS +114 RH ̍ 0 ڃ ެ ެ
ɹ
+110 +101 RH9 ࠩ ࠩ
ܘ +100 +98 RH8 Class 2
ớ +90 ISO +89 2ڃ૬౰ Tolerance
pitch dia.( Жm)
Жm +80 3 +77 RH7 recommended for +80

Ờ +70 +70 +64 RH6 class 2 ڃ 1
+60 +55 ISO RH5 1ڃ૬౰ ެ
recommended for
+50 +42 2 +51 RH4 class 1 ࠩ
+40 +40 3ڃ +39 Class 1
+30 +22 2ڃ ISO +26 RH3
+20 ̍ bڃ +20 1 +13 RH2
+10 +7 +15 +14
ج४༗ޮܘ 0 ̍aڃ +7 0 RH1
basic pitch dia.
-8
˙ྫ ¢ ̍̏6/$ɹExample ½- ̍̏UNC
ΊͶ͡ਫ਼౓
INTERNAL THREAD
+250 +246
RHλοϓਫ਼౓ 1
+160 RH LIMITS +153 +165 B
+150 RH̍2 1B૬౰ 2 ެ
+140 +140 recommended ެ B
for class 1B
+130 +127 RH̍̍ +121 ࠩ Tolerance
༗ +120 +114 RH̍0 3
ɹ
+110 JISλοϓਫ਼౓ RH9 B ࠩ Tolerance
ޮ
ɹ +100 JIS LIMITS +101 RH8 2B૬౰ ެ
ܘ +90 +89 RH7 recommended
for class 2B
ớ +80 +77 3B૬౰ ࠩ Tolerance
pitch dia.( Жm)
Жm +70 +70 RH6 recommended

Ờ +60 +64 RH5 for class 3B
+50 +45 3ڃ +51 RH4
+40 +39
+30 +30 2ڃ +26 RH3
+20 ̍bڃ +25 +13 RH2
+10 +10 +15 RH1
ج४༗ޮܘ 0 ̍aڃ +10 0
basic pitch dia. -10
G-21