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Threading Resources
Threading 101 is hardly a name intended to relate to the "basics" in threading. Moreover,
it is a company formed to provide support, knowledge, and products to cover all aspects of thread production.
We hope to not only inform you about the Products / Services that we represent, but also to be a technical
resource for your company's threading needs.
Many of the documents in this section require the Adobe Acrobat plugin, which may be downloaded for free.
TECHNICAL THREAD ROLLING ARTICLES
Articles to provide information on technical aspects of thread rolling. These are from my own
personal collection. Please excuse the condition of some of them, since they are old copies,
many of which I do not believe are available anymore. Feel free to forward any question you
might have from any of the content - enjoy!
Axial Thread Rolling for CNC Lathe Users
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Axial Thread Rolling For CNC Lathe Users - Reprinted from Modern Machine Shop
This article is not
for beginners. It's aimed at shops that have already decided to thread roll with their CNC turning centers and would
appreciate more process information. By Al McBride |
National Acme Co. Thread Rolling Memos - Part 1
[Updated: 04/09/2007] [Filesize: 498K]
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These memos (descriptions of thread rolling applications) are from the 1960s when National Acme was a
powerhouse here in the United States. You'll see that one of them actually says, "be sure to visit our
booth, No. 324, at the Machine Tool Show, Chicago, September 20-30, 1965" |
A Better Way To Thread Tie Rods
[Updated: 04/08/2007] [Filesize: 442K]
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| Hydraulic press accurately extrudes shanks of forgings so that threads can be rollformed. The benefits over cutting: greater speed and economy |
Flexible Automation In Cold Thread Rolling
[Updated: 04/07/2007] [Filesize: 537K]
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| Article describing the versatility of the thread rolling process in that it is not just suitable for mass production applications |
Thread Rolling: Still the Process to Beat
[Updated: 04/07/2007] [Filesize: 1,465K]
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| Very good article generally addressing all types of thread rolling processes/equipment including thread rolling machines –
planetary, flat die, 2 and 3 cylindrical die – and thread rolling heads and attachments - axial, radial, tangential |
Making Sense of Worm Rolling
[Updated: 04/07/2007] [Filesize: 1,983K]
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| An outstanding article about thread rolling. Although it is specifically addressing the rolling of worm
gears, much of the information is also applicable for standard thread forms. |
Thread Rolling Is More Than Rolling Threads
[Updated: 04/07/2007] [Filesize: 1,063K]
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| Real good article highlighting that thread rolling can be used with many special applications that
are not normally thought of when looking to thread roll a product. |
Threadmaking: A Process Overview
[Updated: 04/07/2007] [Filesize: 820K]
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| Very good general overview of all thread generating processes. Mr. Abbott was actually one of my
mentors for threading/thread rolling – he truely fits the mold of "having forgotten more than I'll ever know"! |
Getting the Most From Thread Rolling Dies
[Updated: 04/07/2007] [Filesize: 852K]
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| Tips for optimizing axial thread roll tool life - applicable for machine tool thread rolls or head and attachment thread rolls |
How can a thread be produced?
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Inside Diameter
- Single Pointing
- Tapping
- Grinding
- Thread Milling
- EDM
Outside Diameter
- Single Pointing
- Die Heads
- Grinding
- Thread Whirling
- Thread Rolling
- Head / Attachment
- Bump
- 2 die Cylindrical
- 3 die Cylindrical
- Flat Die (Reciprocal)
- Planetary
- Rack
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THREAD MILLING
Additional information about ThreadMills USA's products, and thread milling in general
Thread milling program - sample of simple G code
[Updated: 01/26/2006] [Filesize: 24K]
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| Thread Milling Program - an example of a simple G code spreadsheet program that is available for
assistance in the use of their solid carbide helical thread mills.
Contact ThreadMills USA, or if you are in the area that we service
please feel free to request it from us. |
ThreadMills USA's recommended Speeds & Feeds
[Updated: 12/02/2005] [Filesize: 285K]
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| Speeds & Feed recommendations for ThreadMills USA's solid carbide helical thread mills.
It is recommended by the manufacturer to reduce these figures by 30% (multiply by .7) for NPT (tapered threads). |
Solid Carbide Helical Thread Mill General Set-up
[Updated: 08/27/2005] [Filesize: 10K]
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| Solid Carbide Helical Thread Mill General Set-up Information that you may find helpful to get
the best performance and tool life from your ThreadMills USA's thread mills |
ThreadMills USA's brochure front cover
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| For further information on their Solid Carbide Helical Thread Mills, please contact ThreadMills USA
direct and request their brochure. Should you be located in our local trading area, please feel free to contact us
directly to request further information – programming assistance |
THREAD ROLLING
Additional information about Central Rolled Thread Dies, Heroslam's products and thread rolling in general
Flat thread rolling dies from Heroslam
[Updated: 01/20/2007] [Filesize: 857K]
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| A listing of some of the flat die thread rolling machines for which Heroslam has already designed thread rolling flat dies |
Part Preparation for Thread Rolling
[Updated: 01/22/2006] [Filesize: 371K]
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| Part preparation for thread rolling differs from cutting. The incorrect part preparation is
probably the most common reason for thread rolling problems. Following these guidelines, will assist you in getting
optimum thread roll life. |
TAPPING
Additional information about Jarvis Cutting Tools, their products and tapping in general
Jarvis Cutting Tools' Form Taps
[Updated: 01/22/2007] [Filesize: 980K]
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| Jarflos from Jarvis Cutting Tools are their design for Form Taps. This is a superior
design for any forming job - you need to give them a test! |
Jarvis Cutting Tools' Cut Tap Brochure
[Updated: 01/21/2007] [Filesize: 1,407K]
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| A brochure highlighting Jarvis Cutting Tools' design and manufacturing capability with
cut taps - unique designs, unique applications. |
THREADING RESOURCES
Hopefully, some useful technical resources on thread details
Thread Dimensions - Metric
[Updated: 09/12/2005] [Filesize: 302K]
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| Thread dimensions - Metric (ISO), in inch and metric dimensions - internal and external thread dimensions |
Thread Helix Angles for UN and Metric threads
[Updated: 09/10/2005] [Filesize: 213K]
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| Common thread diameter and pitch combinations. In addition, please note a formula is provided above to calculate the helix angle of any special thread combination. |
CARBIDE INSERTS AND OTHER CARBIDE PRODUCTS
Turning Inserts Catalog and Technical Information
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| Our comprehensive catalog for all turning applications. Includes our full line of ISO and ANSI standard turning inserts,
including the American PerformanceTM, American StandardTM,
and American ValueTM lines, as well as shims, chipbreakers, and inserts for small hole boring,
heavy turning, brake drum and rotor turning, and cut-off / parting. Also includes detailed grade and application data for all products. |
Milling, Drilling, and Boring Inserts Catalog
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| Our comprehensive catalog for milling, drilling and boring applications. Includes our full
line of ISO and ANSI standard inserts and detailed grade and application data for all products. |
Technical Information and Crossover Charts
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| A supplement to our Turning Inserts and Milling, Drilling, and Boring Inserts Catalogs that includes grade
and chip control comparison charts, cutting data, grade and geometry recommendations, competitive insert compatability,
and helpful turning and milling formulas. |
Threading and Grooving Inserts Catalog
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| Showcases our line of on-edge and ANC NotchTM threading
and grooving inserts, as well as API ring grooving inserts and a selection of thread chasing shims and chipbreakers. |
Rock Drilling Inserts Catalog
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| Includes product information on rock drilling products, such as chisel,
ballistic, and dome compacts, roller reamer inserts, stabilizer inserts, and geophysical / drag bit inserts. |
Blanks for Carbide Burs Catalog
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| Details our complete line of blanks for carbide burs. Includes ANSI standard, DIN-standard
(metric), and non-standard bur blanks, and our Insta-burTM line of bur blanks with pre-brazed shanks. |
ANBlendTM Powder Products Catalog
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| Features our extensive line of ready-to-press and unpelleted tungsten carbide-cobalt powders for
hardmetal production and hardfacing. |
LINKS
Links to Resources on the Internet
THREAD CHASING
Additional information about the new Carbide Insert Chaser system
Fastener Technology International reprint (PDF)
[Updated: 01/25/2006] [Filesize: 415K]
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| This Carbide Insert Chasing concept can basically be provided for all
of the popular types of threading die heads including tangent (Landis, J&L, Wagner, Geometric), radial (Geometric), and circular
(Vers-O-Tool, RSVP/Namco). |
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