01
Parts Drift Out of Tolerance
Dimensions begin changing after several cycles, requiring repeated offset adjustments or rework.
CNC Troubleshooting • Manufacturing Support • On-Site Technical Support
Solve Production Problems.Support the Machine.Keep Manufacturing Moving.
Hands-on CNC manufacturing support for machine problems, setups, tooling, workholding, dimensional issues and production challenges backed by shop-floor experience across multiple CNC manufacturing disciplines.
Remote Technical Review
Nationwide On-Site Support
Speak directly with Jacob McMahon about the machine, process or production issue you are dealing with.
Experience With
MitsubishiMoriMatsuuraHaasEurotechNakamuraMastercamPC-DMIS
Examples of Production Problems
Start With WhatYou're Seeing.
Manufacturing problems often show up as a change in machine behavior, dimensional results, setup repeatability or production time.
You do not need to identify the cause before reaching out. Describe the symptom and what changed.
02
Recurring Machine Stops or Alarms
A machine repeatedly interrupts production during the same operation, setup condition or part of the cycle.
03
Setup Requires Repeated Adjustment
Parts need repeated indicating, alignment or repositioning before the process can run consistently.
04
Tooling Becomes Unstable or Wears Too Quickly
Unexpected tool wear, chatter, poor cutting behavior or frequent tool changes begin affecting production.
05
Inspection Results Are Inconsistent
Measurement results vary between parts, setups or inspections and it is not clear what is driving the change.
06
Too Much Time Is Lost Outside the Cut
Tool changes, loading, setup, repeated adjustments or unnecessary machine movement are extending production time.
Core Services
Support Built AroundProduction Problems.
Start with the problem you are trying to solve. Support can focus on the machine, setup, workholding, tooling or production conditions involved.
01Production Support
CNC Troubleshooting
Technical support for machine, tooling, setup, workholding and dimensional issues affecting day-to-day production.
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02Manufacturing Support
Manufacturing Process Support
Hands-on review of recurring production problems, setup limitations, tooling issues and process conditions that need practical correction.
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03Setup & Workholding
Fixtures & Workholding
Support for fixture behavior, part location, clamping, repeatability, access and setup-related production problems.
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04Field Support
On-Site Manufacturing Support
Direct technical support when the machine, setup or production environment needs to be evaluated in person.
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Structured Production Review
When the Problem Keeps Coming Back.Look Deeper.
For recurring or difficult CNC production problems, a structured review can help determine which areas should be checked before more changes are made.
Request a Technical ReviewAreas That May Be Reviewed
01Machine
02Setup
03Tooling
04Workholding
05Program
06Inspection
07Production Sequence
Technical Review
Use the available machine, setup and production evidence to decide what should be checked next instead of making unrelated adjustments.
How It Works
A focused review of a recurring production issue.
Describe the Problem
Share the machine, symptoms, production impact and anything that has already been tried.
Review the Evidence
Evaluate the relevant machine behavior, setup conditions, tooling, inspection data and production history.
Narrow the Issue
Identify which variables are most likely to be contributing to the recurring problem.
Define Next Actions
Receive practical checks, corrective actions or follow-up steps based on the review.
Manufacturing Approach
Practical Decisions.Built for Production.
Technical decisions should be based on what is happening at the machine, setup and production level — and remain practical for day-to-day use.
Setup & Tooling Review
Review setup conditions, tooling, access and operating sequence when those factors are affecting production.
Controlled Troubleshooting
Change one variable at a time whenever possible so the effect of each adjustment can be understood clearly.
Fixture & Workholding
Evaluate rigidity, part location, clamping, machine clearance, repeatability and operator access.
Measurement Feedback
Use inspection results and dimensional trends to support technical decisions instead of relying only on assumptions.
Operator Handoff
Explain the setup, checks and reasoning operators need to understand when a corrected or revised process returns to production.
Production Follow-Through
Confirm that technical changes make sense under normal operating conditions and do not create unnecessary complications.
Technical Experience
Hands-On Experience WithMachines, Setup and Production.
Experience across CNC equipment, Wire EDM, workholding, inspection and manufacturing software developed through hands-on production work.
01
Machine Experience
- Mitsubishi MV2400R
- Mitsubishi FA20
- Mitsubishi FA20S
- Matsuura
- Brother Speedio
- Mori
- Mori Seiki
- Eurotech
- Nakamura
- Haas
- Haas Multigrind
- Multi-axis machining centers
- Multi-turret applications
- Live-tool turning
02
Wire EDM Experience
- Mitsubishi Wire EDM equipment
- Probing & work offsets
- Taper & compensation
- E-pack selection
- Threading & wire-feed troubleshooting
- Flushing & grounding issues
- Wire-break troubleshooting
03
Setup & Workholding
- Fixture setup
- Part location
- Clamping strategy
- Setup repeatability
- Machine access
- Tooling & workholding
- Turret alignment & recovery
04
Metrology & Inspection
- Hexagon CMM
- PC-DMIS
- GD&T
- Blueprint interpretation
- First-article support
- Precision inspection
- Dimensional analysis
05
Software Experience
- Mastercam
- ESPRIT
- Fusion 360
- SolidWorks
- PC-DMIS
06
Programming Assistance
- CNC G-code review
- Manual CNC programming experience
- Control-side editing
- Offsets & compensation
- Program troubleshooting
- Toolpath review
Jacob McMahonFounder / CNC Manufacturing Consultant
About the Founder
Built on theShop Floor.
Jacob McMahon brings hands-on manufacturing experience across CNC milling, turning, Wire EDM, CNC grinding, machine setup, metrology and production support.
His background has been built through direct work with machines, production teams, inspection requirements and day-to-day manufacturing challenges across multiple disciplines.
His experience also includes manufacturing software, CNC code, offsets and control-side editing, which can support troubleshooting and existing production processes when needed.
McMahon CNC Solutions was created to provide practical, direct technical support from someone who understands both the equipment and the realities of production.
6Manufacturing Disciplines
Multi-ProcessCNC Manufacturing Experience
Remote + On-SiteSupport Options
Request CNC Support
Tell Us What'sHappening.
Start with the machine, process and symptoms you are seeing. You do not need to identify the cause before reaching out.
Direct Technical Review
Your initial request is reviewed directly by Jacob McMahon.
Start With the Problem
Share the symptoms, production impact and anything that has already been tried.
Keep Proprietary Information Private
Do not include drawings, CNC programs or other confidential production files in the initial request.
Confidential project?
An NDA and appropriate file-exchange process can be established before proprietary manufacturing information is shared.
01
Initial Project Request