Keep your CNC machines producing accurate parts with professional linear axis positioning calibration. Sarkinen Calibrating uses Renishaw's Laser Interferometer to verify positioning accuracy, repeatability, straightness, and squareness—all traceable to NIST standards. Portland and SW Washington manufacturers trust our faster local response times and precision measurements that exceed industry requirements by 10:1, helping you catch installation issues, prevent costly production errors, and maintain consistent quality across every axis of travel.
Comprehensive precision measurement solutions ensuring your CNC equipment delivers consistent accuracy and reliable performance across all linear axes.
NIST-traceable linear axis verification using Renishaw's Laser Interferometer with accuracy to 1.0 part per million. We measure positioning accuracy, repeatability, straightness, and squareness across full axis travel to identify alignment errors before they impact production quality.
Pre-production validation ensuring your new CNC machines meet manufacturer specifications while still under warranty. We identify shipping damage, installation errors, and hidden alignment issues that commonly occur during equipment setup and delivery.
Detailed evaluation of axis positioning accuracy comparing commanded positions against actual machine movement. Our measurements reveal encoder issues, mechanical wear, and control system problems affecting dimensional accuracy in finished parts.
Geometric accuracy verification measuring linear straightness deviations and axis-to-axis squareness. This testing identifies guideway wear, thermal distortion, and structural alignment problems that cause non-uniform machining errors across the work envelope.
Consistency testing measuring how reliably each axis returns to the same position over multiple cycles. Poor repeatability indicates bearing wear, servo tuning issues, or backlash problems that create unpredictable variation in part dimensions.
Scheduled accuracy verification supporting predictable maintenance programs and minimizing unexpected downtime. Regular calibration establishes baseline performance, tracks gradual degradation, and helps plan proactive repairs before quality issues develop.
Sarkinen Calibrating delivers linear axis positioning calibration with accuracy to 1.0 part per million—exceeding the 10:1 ratio required for proper calibration. We understand Portland's diverse manufacturing environment, where equipment often arrives with shipping damage or installation errors that go unnoticed until production issues emerge. Our NIST-traceable measurements verify that each axis moves exactly as programmed, identifying hidden problems before they create scrap, rework, or customer complaints. As local providers serving Portland OR and SW Washington, we respond faster than out-of-area competitors while bringing machine operator expertise to every calibration.
Portland and SW Washington manufacturers rely on our calibration expertise to maintain production accuracy and equipment reliability.
"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!"
Local expertise delivering faster response times and comprehensive calibration solutions that go beyond basic equipment maintenance.
Measurements to 1.0 parts per million, fully traceable to National Institute of Standards, exceeding calibration requirements.
Portland OR and SW Washington service with faster scheduling and minimal disruption compared to distant providers.
Founded by a former machine operator who understands production operations and provides practical calibration solutions.
Complete calibration capabilities from laser interferometry to ballbar testing, surface plates, and rotary axis verification.
Precision measurement experts dedicated to your production accuracy.
Founder
Larry founded Sarkinen Calibrating with a unique perspective that sets the company apart in the precision calibration industry. Starting his career as a machine operator, Larry experienced firsthand the production challenges that arise from poorly calibrated equipment—the scrap, the rework, the unexpected downtime that disrupts schedules and frustrates teams. This hands-on background shaped his approach to calibration as more than just routine equipment maintenance. For Larry, every calibration service is about understanding the entire machining operation, identifying the root causes of accuracy problems, and providing practical solutions that increase production quality and efficiency. His operator's mindset means he looks beyond the numbers on a calibration report to consider how machine performance affects daily production reality. This perspective has made Sarkinen Calibrating a trusted partner for Portland OR and SW Washington manufacturers who need calibration services that truly understand their operational challenges and deliver measurable improvements in equipment reliability and part quality.
What does it mean if my calibration curve is linear?
A linear calibration curve means there is a consistent, proportional relationship between measured values and true values across the measurement range. In linear axis calibration, linearity indicates that positioning errors are predictable and systematic rather than random, making them easier to compensate through machine parameters or understanding their impact on part accuracy.
What is axis calibration?
How often should an alignment machine be calibrated?
What accuracy level does Sarkinen Calibrating achieve?
Why should I calibrate a new machine under warranty?
What is the difference between positioning accuracy and repeatability?
How long does linear axis calibration take?
What problems does linear axis calibration identify?
Talk to our calibration experts for a free consultation about your specific equipment and accuracy needs.
Local calibration services delivering faster response times and minimal production disruption for precision manufacturing operations.
Portland & SW Washington
Primary Service Area
5.0 Stars
Customer Rating
Faster Than Out-of-Area
Response Time
Contact us to confirm service availability and schedule your calibration at a time that minimizes production impact.
All measurements traceable to National Institute of Standards
Consistently rated 5.0 stars by local manufacturers
Authorized use of industry-leading measurement equipment
Contact Sarkinen Calibrating to discuss your calibration needs and schedule service at a time that works for your production schedule. We'll minimize disruption while ensuring your equipment delivers the accuracy your customers expect.
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