NIKKI PRECISION LOCKNUT
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Product
Best Flank Angle Locking Series
HKF Locknuts
HKR Locknuts
30˚ Flank Locking Series
MF Locknuts
BF Locknuts
TMF Locknuts
SFZ Locknuts
MFZ Locknuts
BFZ Locknuts
Radial Locking Series
MR Locknuts
SR Locknuts
MRRA Locknuts
MRZ Locknuts
SRZ Locknuts
MRN Locknuts
MRS Stainless Steel Locknuts
Axial Locking Series
MKR Locknuts
MKW Locknuts
MKK Locknuts
MA Locknuts
Mounting Tools
Customized Locknuts
NIKKI Brochure
技術支援
精車v.s研磨級螺帽差異性
精車v.s研磨級螺帽差異性
不同端面研磨方式差異比較
(放大倍率60倍)
精車螺帽與研磨螺帽差異比較
(放大倍率60倍)
偏擺
‧精車螺帽偏擺大,研磨螺帽偏擺較小。
精車螺帽
研磨螺帽
節圓直徑
‧精車螺帽公差大,研磨螺帽公差較小。
表面粗度
‧明確告知 旋削螺紋表面較粗糙,壓潰後會造成預壓力的減少,更嚴重的情況會造成螺帽的鬆脫。
旋削
研磨
螺紋精度
‧各部位精度所產生的影響,皆影響螺帽的安全性。
山型(60°)
節距
山半角垂直度
精車螺帽
研磨螺帽
偏擺精度:
0.005mm
0.002mm
節圓精度:
ISO 4H
高於ISO 4H
材質:
SCM440
SCM440
調質硬度:
--
HRC28°~32°(抗拉強度較高)
表面粗度:
旋削
研磨
螺紋精度:
低(山型、節距、山半角)
高(山型、節距、山半角垂直度)
價位:
低
高
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