Resources
CTE
Resources
Curated machining knowledge, tools, and pathways — organized by purpose.
MFGAxis — Buyer’s Guide
Company listings, capabilities, certifications, and specialties — organized for buyers and engineers.
Machining References
Curated technical references for machinists and engineers.
Machining Calculators
Feeds, speeds, formulas, and shop calculators.
Wire
Search-driven resource hub for wire.
Hypertherm
Search-driven resource hub for hypertherm.
Roll
Search-driven resource hub for roll.
James
Search-driven resource hub for james.
Molybdenum
Search-driven resource hub for molybdenum.
Ai
Search-driven resource hub for ai.
Vericut
Search-driven resource hub for vericut.
Siemens
Search-driven resource hub for siemens.
Fanuc
Search-driven resource hub for fanuc.
Turnkey
Search-driven resource hub for turnkey.
Super
Search-driven resource hub for super.
Robotmaster
Search-driven resource hub for robotmaster.
Pronest
Search-driven resource hub for pronest.
Online
Search-driven resource hub for online.
Tap
Search-driven resource hub for tap.
Optical
Search-driven resource hub for optical.
Machinist
Search-driven resource hub for machinist.
Broaching
Search-driven resource hub for broaching.
Fatigue
Search-driven resource hub for fatigue.
Photo
Search-driven resource hub for photo.
Makino
Search-driven resource hub for makino.
Erp
Search-driven resource hub for erp.
Countersink
Search-driven resource hub for countersink.
Flame
Search-driven resource hub for flame.
Fives
Search-driven resource hub for fives.
Centerless
Search-driven resource hub for centerless.
Garant
Search-driven resource hub for garant.
Filtration
Search-driven resource hub for filtration.
Go
Search-driven resource hub for go.
Dual
Search-driven resource hub for dual.
Okuma
Search-driven resource hub for okuma.
Acme
Search-driven resource hub for acme.
Tapping
Search-driven resource hub for tapping.
Raw
Search-driven resource hub for raw.
Co2
Search-driven resource hub for co2.
Pre
Search-driven resource hub for pre.
Total
Search-driven resource hub for total.
Moving
Search-driven resource hub for moving.
Abb
Search-driven resource hub for abb.
Formula
Search-driven resource hub for formula.
Pick
Search-driven resource hub for pick.
Automating
Search-driven resource hub for automating.
Sic
Search-driven resource hub for sic.
Pipe
Search-driven resource hub for pipe.
Coordinate
Search-driven resource hub for coordinate.
Tramp
Search-driven resource hub for tramp.
Thermal
Search-driven resource hub for thermal.
Cmm
Search-driven resource hub for cmm.
Ceramic
Search-driven resource hub for ceramic.
Case Hardening
Search-driven resource hub for case hardening.
Insert Geometry
Insert identification, lead angle, indexable insert geometry, and selection references.
Boring
Boring heads, U-axis systems, contour boring, and setup references.
Cutting Forces
Cutting-force formulas, machining power, chip load, and speed/feed references.
Workholding
Workholding strategy, zero-point clamping, fixturing, and setup efficiency.
Threading
Threading calculators, tapping guidance, thread milling, and related tooling.
Authors
Browse CTE contributors and subject-matter experts.
Glossary
Definitions of machining and manufacturing terms.
Machining Fundamentals & Tooling References
Core explainers and shop-floor references for speeds, feeds, forces, insert identification, heat treatment, and cutter geometry.
Process Spotlights & Manufacturing Systems
Inspection, automation, digitalization, and application-specific reads that complement the core machining references above.
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Presetters Produce Profit
There are a variety of presetters on the market. All reduce machine downtime by allowing shops to set up tools offline. This article discusses the different presetter types and the impact that these differences will have on the instrument's price and functionality.
New Twists on Threading: General Industry Coverage
The advent of CNCs made new threadmaking technologies practical. Among these technologies are rigid tapping and thread milling. This article describes the uses, techniques and benefits of these two threadmaking methods.
Rigid Rules: General Industry Coverage
There are some tapping situations that call for a rigid tapholder and some that call for a length-compensating holder. Often the choice depends on the capabilities of the machine and the CNC driving the tap. This article discusses why a machinist might choose one type of tapholder or the other.
The Good, the Bad and the Retapped
Internal threads can end up undersized because of the work material's properties or because of changes to the hole's dimensions caused by plating or heat-treating processes performed after tapping. This article explains H- and D-limits and how to use them to specify a tap that will produce the right size thread, regardless of any post-tapping operations.
Quality Through the Tiers: General Industry Coverage
Manufacturing customers have begun demanding that their suppliers institute quality-control processes. At the same time, they are expecting their suppliers to adopt more efficient processes so that suppliers can reduce their prices while maintaining profitability. This article discusses these pressures and how even subtier suppliers are being affected by them.
The Hard Truth: General Industry Coverage
The fundamentals of wheel dressing and truing are reviewed in this article, which covers the proper maintenance of a wide variety of wheel bonds and abrasive types. The article also discusses different truing techniques and their appropriateness for different uses.
Creep-Feed Exam: General Industry Coverage
Researchers at the Center for Grinding Research performed a series of creep-feed grinding tests to determine the causes of the heat damage and striations they observed. The tests involved grinding slots and vertical faces. This report discusses the dynamics behind these problems and suggests ways to avoid them.
Powder Particulars: General Industry Coverage
This article describes the shapes and sizes of diamond particles produced through standard manufacturing processes. The uses for these different types of particles are also explained, with an emphasis on particles used in superfinishing powders and slurries.
Superabrasive Safety: Safety, Standards & Compliance
Standards governing grinding-wheel safety testing do not cover all superabrasive wheels. This article suggests that these standards should include them. The author explains why as he describes a typical superabrasive wheel and the dynamics of superabrasive wheel failure.
Modular Moneymakers: Drilling Performance
Modular toolholding systems save shops money in several ways, according to this article. By making it possible to use the same tools on several machines, for example, a modular toolholding system can allow a shop to reduce its tool inventory. This article explains many other savings in addition to tool inventory reduction.
EDM Wire Covers All the Angles
With wire EDM, the properties of the wire will have a large impact on the performance of the operation as well as the ease of rethreading. This article discusses the properties that ensure a good spark and reliable performance even when cutting at an angle. Real-world examples are given of users who have improved their operations by changing the type of wire they were using.
A Spark of Intelligence: General Industry Coverage
EDM cutting conditions change throughout the cutting process as the part thickness and the level of dielectric contamination fluctuates. This article describes an experimental setup that can monitor these fluctuations and adjust the EDM's settings to maintain an optimal spark.
