CMMC Audit Evidence for CNC Program Handling

Ensure complete compliance for your defense manufacturing operations with robust CNC program transfer logging and audit-ready records. Our software solutions help machine shops track every file movement, capture remote requests, and maintain detailed machine communication logs that satisfy rigorous CMMC assessment criteria. Protect your operational workflows, eliminate unverified shop-floor file modifications, and streamline defense supplier compliance across your facility.

CNC machine operator reviewing audit-ready program transfer logs on a terminal screen

Our CNC Program Handling Services

Comprehensive software and engineering solutions to manage CNC programs, secure file transfers, and generate reliable audit records.

Machine Link™ QUICK Serve

Automate CNC program delivery with remote file requests directly from machine controls. Ensures operators always receive verified, engineering-approved files while maintaining complete transmission logs to satisfy strict audit record requirements.

Machine Link™

Manage RS-232 serial communications with reliable CNC program upload, download, and editing capabilities. Tracks transfer sessions, displays real-time communication parameters, and verifies byte counts for dependable record keeping across standard shop machinery.

Machine Link™ BINARY

Transfer critical binary files and executive tapes for older machine tool controls. Designed for field service technicians requiring secure, accurate program handling and reliable file exchange for specialized and legacy industrial equipment.

PDA-DNC™ Mobile Transfer

Facilitate portable CNC file transfers with Pocket PC mobility. Supports standard ASCII, ISO, and EIA character sets, displays file verification data upon receipt, and enables flexible program distribution across multiple machines without fixed cabling.

Engineering Services

Develop tailored DNC architectures, relational database management systems, and specialized software interfaces. Connect shop floor hardware to central SQL databases to ensure structured data handling, robust tracking, and compliance readiness.

iMonitor Process Monitoring

Collect real-time data combining time and frequency domain analysis for machining processes. Monitor dynamic equipment signals using National Instruments hardware to verify operational stability and enhance manufacturing quality records.

Verified Program Custody

Audit-Ready CNC File Handling and Traceable Records

Demonstrating CMMC compliance requires rigorous verification of all digital manufacturing assets sent to shop-floor machinery. Our centralized DNC solutions eliminate uncontrolled file transfers by establishing secure communication pathways, capturing detailed transmission logs, and ensuring only engineering-approved revisions reach machine controls. Maintain verifiable custody records, safeguard technical data from unauthorized tampering, and present comprehensive documentation that satisfies assessor scrutiny during audits.

Technical audit logs of CNC file transfers displayed on a secure industrial monitor
Trusted Industry Results

Proven Machining Solutions

Discover how leading manufacturers rely on our proven DNC software and engineering systems for secure, reliable operations.

"Machine Link™ has significantly improved our productivity. We are now spending seconds doing what took us about thirty minutes before, since we had to manually enter each program. Plus, Machine Link™ is so easy to use that anybody in the shop can use it with minimal training."

Greg Scheldberg
The Controlink Advantage

Why Choose Controlink Systems LLC?

Delivering reliable machining automation and secure communications since 1998.

Deep Machining Expertise

Founded in 1998, we build practical shop-floor software developed by professionals who understand machining operations.

National Instruments Partner

Active member of the NI Partner Network since 2000, delivering proven industrial integration and software reliability.

Authorized Program Control

Prevent unapproved floor edits by serving only engineering-verified CNC files directly to machine tool controls.

Proven Industry Trust

Trusted across United States manufacturing facilities, research laboratories, and defense aerospace contractors for critical communications.

Meet The Engineering Team

Decades of combined engineering excellence in machining communications and automated testing.

Controlink Systems LLC has been developing software solutions and products for high-speed process monitoring, control, end-of-line testing, CNC and DNC communications, and shop-floor automation since 1998. Headquartered in Lawrenceburg, Indiana, the company has evolved into a comprehensive products-based engineering service provider serving manufacturing facilities, research laboratories, and aerospace contractors across the United States. As a proud member of the NI Partner Network since 2000, our team specializes in linking complex industrial systems together. We routinely interface with SQL databases, PLCs, and multi-axis motion controllers to create reliable, user-friendly software that streamlines CNC program handling, ensures data integrity, and supports demanding production environments.

Industry ExperienceProviding manufacturing software solutions since 1998
NI PartnerProud member of NI Partner Network since 2000
Customer SupportDedicated phone and email support for machining shops

Frequently Asked Questions

What are the 8 types of audit evidence?

In professional auditing frameworks, the eight recognized types of audit evidence include physical examination, confirmation from independent third parties, documentation and records, analytical procedures, inquiry of client personnel, recalculation, reperformance, and observation. For CNC program handling and cybersecurity audits, documentation, system event records, and reperformance of authorized file transfer procedures serve as the primary sources of objective evidence evaluated by assessors.

Who performs CMMC audits?

How does Machine Link™ QUICK Serve control CNC program revisions?

Can we evaluate Controlink Systems software before purchasing?

What replacement protection is available if our shop computer fails?

Which communication protocols and industrial hardware do you support?

How many CNC machines can be simultaneously monitored?

Can CNC program requests be initiated via email or text message?

Have Questions About Your CNC Setup?

Contact our technical support team for expert guidance on software configuration and communication.

Industry Recognition

Awards and Recognition

NI Partner Network member logo

NI Partner Network Member

Member of the NI Partner Network since 2000.

Timken Exchange publication feature recognition logo

Timken Innovation Feature

Recognized in Timken Exchange for innovative DNC technology.

Streamline Your Shop Communications Today

Reach out to our engineering and support specialists to discuss your CNC file management requirements.

Contact Us Today

For immediate assistance, feel free to give us a direct call at (800) 838 3479. You can also send us a quick email at support@controlinksystems.com.