Case Studies
Successful Machining Projects
Chinese Brand Success Cases
Professional solutions for Chinese brand machine tool parts, rich technical accumulation and supply chain resources
CA6140 Lathe Spindle Bearing Replacement
Material：Bearing Steel GCr15
Precision：P4 Grade ±0.005mm
Quantity：8 Sets
Challenge：Discontinued 20 Years
SMTCL CA6140 model discontinued for years, spindle bearings completely worn. Through technical archives research and reverse engineering, successfully customized P4 grade high-precision bearings, perfectly matching original performance.
CK6150 CNC Lathe Ball Screw Assembly
Material：Alloy Steel + Quenched
Precision：C7 Grade ±0.01mm
Quantity：3 Sets (X/Z Axis)
Challenge：Non-Standard Customization
DMTG CK6150 CNC lathe X/Z axis screws severely worn, original parts delivery 3 months. We completed custom machining in 7 days, including screws, nuts, and support seats, precision tested and delivered.
T68 Boring Machine Table Guideway Repair
Material：Cast Iron HT250 + PTFE
Precision：Straightness 0.02mm/1000mm
Quantity：1 Set (4 Meters)
Challenge：Large Part Transport & Install
Baoji T68 boring machine table guideway severely worn. Through on-site measurement, customized 4-meter guideway with PTFE coating. Using segmented machining and on-site assembly, successfully restored equipment precision.
Y3150E Gear Hobber Indexing Worm Gear
Material：20CrMnTi Carburized
Precision：Grade 6 ±0.008mm
Quantity：2 Sets
Challenge：Special Tooth Profile Reverse
Qinchuan Y3150E gear hobber indexing worm worn causing precision decline. Using CMM to reverse original tooth profile, CNC machining + manual lapping, produced worm gear meeting original standards, restored Grade 6 precision.
X5032 Vertical Mill Spindle Taper Repair
Material：45# Steel Heat Treated
Precision：AT3 Taper ±0.003mm
Quantity：1 Piece
Challenge：Inner Taper Repair Process
Beijing First X5032 vertical mill spindle taper worn and deformed, unable to hold tools. Using build-up welding + precision grinding, restored AT3 taper precision to original standard, cost only 30% of new spindle replacement.
XK5032 CNC Mill Electrical System Upgrade
Material：PLC Controller + Servo Drive
Precision：Positioning ±0.01mm
Quantity：1 Complete System
Challenge：Old System Retrofit
Jinan First XK5032 CNC mill electrical system aging with frequent failures. Designed complete retrofit, retained mechanical body, replaced with Siemens PLC and servo system, reprogrammed and commissioned, equipment renewed with greatly improved precision and efficiency.
International Brand Cases
Professional parts supply for Mori Seiki, Mazak, Okuma, Hardinge and other international brands.
Spindle Bearing Replacement
Material：Steel
Precision：±0.01mm
Quantity：10 pieces
Challenge：Strict Tolerance Reqs
Custom machined high-precision spindle bearings for vintage Mori Seiki lathe with strict tolerance requirements.
Custom Guide Rail
Material：Aluminum Alloy
Precision：±0.02mm
Quantity：5 pieces
Challenge：OEM Spec Match
Replacement guide rails manufactured to OEM specifications for smooth operation and extended machine life.
Ball Screw Assembly
Material：Hardened Steel
Precision：±0.01mm
Quantity：3 pieces
Challenge：Precision Grinding
Complete ball screw assembly with precision grinding to ensure smooth motion and accuracy.
Transmission Gears
Material：Alloy Steel
Precision：±0.01mm
Quantity：15 pieces
Challenge：Heat Treatment Control
High-precision transmission gears with heat treatment for durability and reliability.
Chuck Jaw Set
Material：Steel
Precision：±0.01mm
Quantity：6 pieces
Challenge：Clamping Force Test
Replacement chuck jaws machined to exact specifications for secure workpiece holding.
Handwheel Components
Material：Aluminum, Brass
Precision：±0.02mm
Quantity：20 pieces
Challenge：Smooth Mechanism
Complete handwheel assembly with graduated dials and smooth operation mechanism.
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