Ensure your CNC machines and precision equipment deliver consistent, accurate results with our comprehensive machine accuracy inspection services. Serving Oregon manufacturers with NIST-traceable calibration and faster response times than out-of-area providers, we help you verify performance, identify wear issues, and eliminate unexpected downtime. From laser interferometry to ballbar testing, our inspections keep your operations running at peak precision.
Comprehensive precision calibration and diagnostic services to verify, maintain, and optimize your CNC machines and inspection equipment.
Verify positioning accuracy using Renishaw Laser Interferometry to 1.0 parts per million. Measure accuracy, repeatability, straightness, and squareness across full axis travel with NIST-traceable results that identify installation errors and hidden damage.
Evaluate machine health quickly using Renishaw's QC20-W Ballbar. Identifies backlash, servo mismatch, axis reversal errors, and squareness problems while validating service work and supporting maintenance planning with minimal downtime.
Measure angular positioning accuracy, repeatability, and alignment of rotary tables and trunnions using Renishaw's Rotary Calibration System. Identifies mechanical wear, setup errors, or encoder issues affecting multi-axis machining.
Maintain reference plane accuracy through expert leveling and flatness verification including Moody Plot analysis. Ensures surface plates continue providing reliable measurement standards as they wear over time.
Detect and correct pitch and roll errors on machine beds, guideways, and large structures using Mahr-Federal Electronic Level. Identifies alignment issues from installation, relocation, or foundation movement.
Hands-on training for laser interferometry, ballbar systems, CAM software, and CNC operation. Learn proper setup, data interpretation, and troubleshooting to perform in-house diagnostics and maximize machine capability.
Oregon's diverse manufacturing sector—from aerospace components to precision medical devices—demands equipment that performs to specification every single time. Our machine accuracy inspections deliver measurements exceeding the required 10:1 calibration ratio, traceable to NIST and International Standards. Whether you're validating a new machine under warranty, troubleshooting quality issues, or planning preventive maintenance, we provide the data you need to make confident decisions. As your local Oregon calibration partner, we respond faster than distant providers and understand the production pressures you face.
Manufacturers across Oregon rely on our precision calibration services to maintain accuracy and eliminate unexpected downtime.
"I have worked with Mr Sarkinen on a job in Portland He is a Highly Skilled, Knowledgable Professional. I would definitely recomend him for all your Machine Tool Calibration Metrics. Sincerely Curtis Page Naughtellis CNC Service"
"As plant manager at Triad, I am always looking for ways of testing and measuring the condition of our large machines. Our outside repair tech suggested that I have Sarkinen Calibrating run their Ball Bar Test on all of our machines to show if we had any critical wear issues..."
"This guy knows his stuff. Would definately recommend! Friendly good people!"
"I have worked with Mr Sarkinen on a job in Portland He is a Highly Skilled, Knowledgable Professional. I would definitely recomend him for all your Machine Tool Calibration Metrics. Sincerely Curtis Page Naughtellis CNC Service"
"As plant manager at Triad, I am always looking for ways of testing and measuring the condition of our large machines. Our outside repair tech suggested that I have Sarkinen Calibrating run their Ball Bar Test on all of our machines to show if we had any critical wear issues..."
"This guy knows his stuff. Would definately recommend! Friendly good people!"
"I have worked with Mr Sarkinen on a job in Portland He is a Highly Skilled, Knowledgable Professional. I would definitely recomend him for all your Machine Tool Calibration Metrics. Sincerely Curtis Page Naughtellis CNC Service"
"As plant manager at Triad, I am always looking for ways of testing and measuring the condition of our large machines. Our outside repair tech suggested that I have Sarkinen Calibrating run their Ball Bar Test on all of our machines to show if we had any critical wear issues..."
"This guy knows his stuff. Would definately recommend! Friendly good people!"
Experience the difference that local expertise and precision measurement makes for your operation.
Oregon-based service with faster response times than out-of-area providers, minimizing your equipment downtime and production disruption.
Measurements to 1.0 parts per million—one millionth of an inch per inch—fully traceable to NIST and International Standards.
Founded by a former machine operator who understands production operations, we deliver solutions that increase efficiency and quality.
Beyond basic equipment checks, we provide diagnostic insights that prevent problems before they impact your production schedule.
Experience built from the shop floor up.
Founder
Larry didn't start behind a desk—he started as a machine operator, running equipment and understanding firsthand how critical accuracy is to production success. That shop floor experience shaped his entire approach to calibration services. When Larry founded Sarkinen Calibrating, his vision was clear: provide more than just equipment maintenance. He wanted to deliver comprehensive solutions that help manufacturers increase production quality and efficiency while eliminating the unexpected downtime that disrupts operations. Larry's operator background means he looks at every calibration through the lens of real-world machining challenges, asking how measurement data translates to better parts and smoother operations. His commitment to customer service and predictable maintenance has made Sarkinen Calibrating the trusted calibration partner for manufacturers throughout Oregon and Southwest Washington who demand precision they can count on.
What is machine accuracy inspection and why is it important?
Machine accuracy inspection uses precision measurement tools like laser interferometry and ballbar testing to verify that your CNC machines and precision equipment are performing to specification. It's essential because even minor deviations in positioning, straightness, or squareness directly affect part quality, scrap rates, and production efficiency. Regular inspections identify wear, installation errors, and alignment issues before they cause costly production problems.
How often should I have my CNC machines inspected for accuracy?
What accuracy level can your inspection services achieve?
How long does a typical machine accuracy inspection take?
What areas in Oregon do you serve?
Can you inspect machines while they're still under warranty?
What happens if your inspection reveals accuracy problems?
Do you provide training on calibration equipment?
Our calibration experts are here to discuss your specific equipment and inspection needs.
Fast, local response for precision calibration throughout Oregon and Southwest Washington.
Oregon + SW Washington
Service Coverage
Faster Than Out-of-Area
Response Time
5.0 Stars
Customer Rating
Contact us to confirm service availability and schedule your machine accuracy inspection.
All measurements traceable to NIST standards
Consistently top-rated by Oregon manufacturers
Oregon-based precision calibration specialists
Contact us today to schedule your inspection. We'll respond quickly with a clear plan to verify your equipment performance.
For immediate assistance, feel free to give us a direct call at (360) 907-3058 You can also send us a quick email at
For immediate assistance, feel free to give us a direct call at (360) 907-3058 You can also send us a quick email at