NXF UNS 316/0Cr17Ni12Mo2/1.4401 High Frequency Welded 316 Stainless Steel CNC Industrial GIrade 24-tooth Saw Blade

1.Raw Material Procurement & InspectionSource high-grade raw materials: cold-rolled steel sheets (blade body), tungsten carbide inserts (for cutting teeth, optional), brazing alloy, abrasive materials, coating materials. Conduct incoming quality control (IQC): check material thickness, hardness, chemical composition, surface defects (rust, scratches, stains) to meet technical specifications.

2.Blanking & PunchingUse precision stamping machines or laser cutting equipment to cut the steel sheet into the required circular blank shape. Punch the center hole (arbor hole) and any auxiliary holes (cooling, expansion) according to the design drawing. Remove burrs and sharp edges with deburring tools to prevent injury and ensure assembly accuracy.

3.Heat TreatmentHardening: Heat the blade blank to a specified temperature (depending on steel grade) in a controlled atmosphere furnace, then quench rapidly to improve hardness and wear resistance.Tempering: Reheat the hardened blade to a lower temperature to reduce brittleness, relieve internal stress, and stabilize the blade's dimensions.Stress Relieving: Additional low-temperature heat treatment after machining to eliminate residual stress caused by cutting or stamping.Tooth Forming (Toothing)

4.Use CNC tooth-shaping machines to machine the outer edge of the blade into the designed tooth profile (e.g., alternate top bevel, triple chip, flat top). Control tooth pitch, tooth angle, and tooth depth strictly according to the blade's application (wood cutting, metal cutting, etc.). Deburr the tooth edges after forming.

5.Tip Brazing (For Tipped Saw Blades Only)Apply brazing alloy paste to the tooth grooves. Place the tungsten carbide inserts accurately into the grooves. Heat the blade in a vacuum brazing furnace to melt the alloy and bond the inserts firmly to the blade body. Conduct post-brazing inspection to check for cracks, insufficient bonding, or insert misalignment.

6.Flattening & Dynamic BalancingFlattening: Use a precision flattening machine to correct any warpage of the blade caused by heat treatment or brazing, ensuring the blade is flat and runs smoothly during operation.Dynamic Balancing: Mount the blade on a balancing machine. Rotate at high speed to detect unbalanced areas. Remove or add weight (by drilling small holes or attaching balancing weights) to achieve the required balance accuracy, reducing vibration during cutting.

7.Tooth Grinding & SharpeningUse CNC grinding machines to grind the cutting edges of the teeth (or the carbide inserts) to a sharp finish. Grind the clearance angles and rake angles to optimize cutting performance. Conduct a sharpness test to ensure the blade can cut through the target material smoothly.

8.Surface Treatment & CoatingCleaning: Degrease and clean the blade surface thoroughly to remove oil, dust, and grinding residues.Coating: Apply a protective coating (e.g., TiN, TiCN, CrN, non-stick PTFE coating) to the blade surface and teeth to reduce friction, prevent corrosion, and extend service life. Alternative treatments: black oxide, electrophoretic coating, or passivation.Drying/Curing: Cure the coating in an oven at the specified temperature and time.

9.Final Inspection & Quality Control (FQC)Dimensional inspection: Check outer diameter, arbor hole diameter, tooth count, tooth geometry, flatness, and runout.Performance test: Conduct cutting tests on the target material to evaluate cutting speed, chip removal, noise, and blade wear.Visual inspection: Check for surface defects, coating uniformity, and marking clarity.

10.Marking, Packaging & WarehousingPrint or laser-mark the blade with specifications (model, size, tooth count, material application, manufacturer name, batch number). Package the blade in protective packaging (plastic bags, cardboard boxes, blister packs) to prevent damage during transportation. Store in a dry, ventilated warehouse, classified by model and batch for easy inventory management.