Dưỡng ren - ren ngoài/trong

Dưỡng ren - ren ngoài/trong

Thiết bị kiểm tra dưỡng ren, lỗ, trục dùng để thực hiện việc kiểm tra các bề mặt gia công ren, lỗ trục. Kiểm tra dưỡng ren được tiến hành bằng cách sử dụng đầu vào/ra để đánh giá sản phẩm có đạt yêu cầu hay không, do đó đảm bảo được độ chính xác khi gia công ren, lỗ, trục. Có hai thông số kỹ thuật cho dụng cụ đo kiểm: Kiểm dưỡng ren theo tiêu chuẩn JIS (I, II và III) và theo tiêu chuẩn ISO (6g, 6H, v.v..)

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Thread Rings Thread Plugs Variable Thread Gages Cylindrical Plugs
Cylindrical Rings Surveillance Master Segment Gages Taper Gages
Part Masters API Gages Production Services Zero Spindle

Reversible Thread Plugs:#

  • Reversible style thread plug gages are available up to and including ¾ (19.05mm).
  • Gages can be reversed end for end in the handle resulting in double the wear life.
  • Each end of the handle is color coded, green for Go and red for Nogo.
  • Chip Grooves are provided on both ends of the Go work plug member #10/M4 and Larger.

Trilock Thread Plugs:#

  • Trilock style Thread Work Plugs are available for ¾ (19.05mm) and larger.
  • Thread Plug Gage can be reversed on the handle resulting in a longer wear life.
  • Shown is a single end on a handle which reduces weight with large sizes.

Taperlock Thread Plugs:#

  • Taperlock style Thread Work gages are available up to and including 1 ½ (38.1mm)
  • Taperlocks are the most popular style in thread plug gaging.

Taperlock Set Plugs:#

  • Shown is a Go and Nogo Truncated (Master) Set Plug.
  • Set Plugs are used to set thread rings for proper fit and feel and inspect ring for wear.
  • Set Plugs have a common pitch diameter the full thread length of the Go or Nogo section. The crest of the thread is truncated for the first half of the set plug and full form the remaining length.

Helical Coil Thread Gages (STI):#

  • Helical Coil plug gages are used to inspect the hole prior to inserting a screw thread insert when repairing a threaded hole.

Hole Location Plugs:#

  • GSG Manufactures hole location gages in two types. When checking the location of a small tapped hole the flex plug is used.
  • When inspecting a larger hole (generally over 1.00) then the lead lock is used. Both gages locate on the flank angles of the tapped hole.
  • Lead locks can be used in conjunction with the zero spindle and are a perfect way to inspect features for run-out to the pitch diameterof the thread.
  • Special designs are available such as true position of threads tobore diameters with dial or digital indicators.

Flex Plug Lead Lock


Thread ring GO gage checks the maximum minor diameter and the maximum pitch diameter size in a part, the NOGO checks for the part not to exceed the minimum pitch diameter size on a part. All GSG Thread Ring Gages are manufactured to ASME/ANSI B1.2 or B1.16M. Each thread ring gage is made of oil hardened Tools Steel.


Solid Thread Rings are the ISO standard
Used to set the Zero Systems variable ITC units.
AGD thread rings comply with ASME/ANSI B47.1 gage blank standard.
Sizes below 1/4 (M6) are counterbored to hold specific length.


The "Southern style" sets round and stays round through all adjustments due to eccentric design and opposing pressures of the adjusting and locking mechanisms.
Color coded for easy identification of the Go and Nogo gage.
The aluminum body makes large gage rings light weight and easier to use.
The GSG "Southern Style" thread ring features the unique "Automatic Helical Adjustment". The Helix Path of the thread along the line of adjustment remains true and in alignment throughout the life of the gage.

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