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Dental Machinery Grinding Needles Precise Medical Hardware Accessories

Categories Medical Hardware
head shape: Communication
Brand Name: SITUO
Model Number: ST-110004
Certification: ISO9001 & TS16949
Place of Origin: GuangDong Dongguan
MOQ: 1PCS
Price: 5-10 USD per item
Payment Terms: T/T
Supply Ability: 10000PCS per day
Delivery Time: Communication
Packaging Details: Communication
Processing technology: CNC turning
Surface treatment: Passivation
origin: China
Material: stainless steel
Sample period: 10 to 15 days
Category: long shaft
Usage: machine
Weight: Lightweight
Precision: Min0.001
packing: carton
Productname: Medical Hardware
Manufacturer: Situo
Durability: High
Size: 1.0-30.0mm
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  • Product Details
  • Company Profile

Dental Machinery Grinding Needles Precise Medical Hardware Accessories

Dental Machinery Grinding Needles - Precise Medical Hardware Accessories
Stainless steel dental machinery grinding needles - Precise medical hardware accessories
The core of processing grinding tool pins for dental equipment lies in the triple guarantee of micron-level precision, high surface finish and long service life & reliability.
Core Processing Difficulties
  • Extremely Strict Geometric Precision: Dimensional tolerances usually require ±0.005~0.01mm, roundness and cylindricity controlled within 0.005mm, with extremely high requirements for coaxiality and radial runout.
  • Harsh Surface Quality Requirements: Surface roughness must reach Ra ≤ 0.8μm (high-end models require Ra ≤ 0.2μm) with no tool marks, scratches or micro-cracks allowed.
  • Material and Heat Treatment Challenges: Made of 304/316L stainless steel or 40Cr/bearing steel, requiring precise control of quenching and tempering parameters to ensure hardness HRC45~52 and toughness balance.
  • Difficulty in Mass Production Consistency: Ensuring complete consistency in size, finish and hardness of each pin in mass production.
Recommended Processing Methods and Process Routes
Typical Process Route: Material preparation → CNC turning/swiss-type lathe finishing → heat treatment (quenching & tempering) → centerless grinding/double-surface grinding → surface treatment (hard chrome plating/QPQ/electropolishing) → fine lapping/roller burnishing → full inspection and warehousing
Key Processes and Equipment
ProcessCore EquipmentProcess Key PointsTarget Parameters
Precision TurningSwiss-type lathe/dual-spindle CNC latheOne clamping for outer diameter, steps, chamfers and grooves; carbide coated tools; separate rough and finish machiningDiameter tolerance ±0.01mm, surface Ra1.6~3.2μm
Fine GrindingHigh-precision centerless grinderControl wheel wear and feed; online compensation; calibration every 2 hoursCylindricity ≤0.005mm, Ra ≤ 0.8μm
Double-surface GrindingDouble-surface grinding machineEnsure flatness and perpendicularity; automatic feedingPerpendicularity ≤0.02mm, Ra0.3~0.5μm
Heat TreatmentVacuum furnace/induction hardening furnaceVertical charging and cooling; low-temperature tempering for stress reliefHardness HRC45~50, no deformation or cracking
Surface TreatmentPlating line/QPQ equipmentElectropolishing and activation before plating; double-layer chrome plating or QPQUniform and wear-resistant coating, corrosion resistance
Fine Lapping/BurnishingLapping machine/roller burnishing machineMechanical extrusion to eliminate micro defects; improve finishRa ≤ 0.2μm, improved surface hardness
Solutions to Difficulties
  • Precision Control: Adopt high-rigidity machines and precision fixtures, optimize cutting parameters, install online measurement compensation, and establish tool life management system.
  • Surface Finish Guarantee: Add lapping or burnishing after fine grinding, use diamond grinding wheels, and control cutting heat and built-up edge.
  • Heat Treatment Deformation: Use vacuum heat treatment, vertical suspension charging, and multiple aging treatments to strictly control heating and cooling rates.
  • Stainless Steel Machining: Use special cutting fluid, reduce cutting speed, increase feed rate, and avoid adhesion and work hardening.
Material Selection Recommendations
  • 304/316L Stainless Steel: Suitable for scenarios requiring biocompatibility and corrosion resistance. Focus on solving adhesion and work hardening during processing.
  • 40Cr/Bearing Steel: Suitable for high hardness and wear resistance requirements. Heat treatment must be strictly controlled to prevent deformation and cracking.
Key Quality Inspection Points
  • Dimension and Form & Position: Measure diameter, roundness, cylindricity, coaxiality and perpendicularity with projector, micrometer and roundness measuring instrument.
  • Surface Quality: Test Ra value with roughness tester; inspect surface defects with magnifier or microscope.
  • Performance Testing: Measure hardness with Rockwell hardness tester; verify corrosion resistance with salt spray test; conduct non-destructive testing for internal defects if necessary.
In summary, the processing of dental grinding pins requires the trinity of precision equipment + elaborate processes + strict quality control. The core is to control micron-level precision and high surface finish, while taking into account material reliability and mass production stability.
Our Manufacturing Capabilities
We have introduced advanced equipment and technology from Japan and Germany (CNC 5-axis and 6-axis machines) to better serve our customers' needs.
Our maximum processing outer diameter is 60mm, and the minimum control tolerance is 0.001mm. We have Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment.
Main Products:
Stainless steel screws, carbon steel screws, pins, rivets, nuts, eccentric nails, embedded parts, and other fasteners.
Business Type:
Factory / Manufacturer
Services:
CNC Machining, Turning and Milling, CNC Turning, Cold heading, Stamping, Assembly Service
Materials:
Aluminum: AL 6061-T6, 6063, 7075-T etc
Stainless steel: 303,304,304L,316L,316F,630,410,420,430, etc
Steel: 4140, Q235, Q345B,20#,45# 1215,12L14,1144,1006,1008,1010,1015,1018,10B21,1035,1065 etc.
Alloy steel: 5140,4135,4140,3435,5120,415,435,440 etc
Titanium: TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc
Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90),C27000,C51900,C11000,C3604,H62,H65 etc
Copper, bronze, Magnesium alloy, Delrin, POM, Acrylic, PC, etc.
Finishes:
Sandblasting, Anodize color, Blackenning, Zinc/Nickl Plating, Polish, Power coating, Passivation PVD, Titanium Plating, Electrogalvanizing, electroplating chromium, electrophoresis, QPQ(Quench-Polish-Quench), Electro Polishing, Chrome Plating, Knurl, Laser etch Logo, etc.
Drawing Formats:
STEP, STP, GIS, CAD, PDF, DWG, DXF etc or samples.
Tolerance:
+/-0.01mm ~ +/-0.05mm
Surface Roughness:
Ra 0.1~3.2
Quality Assurance
Our company has a total of 300 employees, including 20 technicians, 10 engineers, and 15 quality control personnel. We have over 300 pieces of equipment.
We implement 8S management and have passed ISO9001 and TS16949 automotive certifications.
Inspection Equipment: Complete inspection lab with Micrometer, Optical Comparator, Caliper Vernier, CMM, Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge
Our Customers
Our customers include bo-sch, Foxconn, Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia, and Cater-pillar.
Product Gallery
Dental grinding needle precision machining Medical hardware accessories manufacturing CNC machining dental components Precision grinding tool pins Stainless steel dental machinery parts Medical equipment grinding needles High-precision dental tool manufacturing Quality control inspection process Advanced CNC machining equipment Manufacturing facility overview Precision measurement and testing Finished dental grinding needles
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