Certainly. Yes, XINYI MACHINERY can absolutely produce granulation pellet cutting machine blades according to customer-supplied samples or engineering drawings – and this is one of our core manufacturing strengths.
Below is the detailed technical information , covering our customisation process, material options, quality control, and service commitments.
1. Customisation Workflow (Samples / Drawings)
· Drawing-based (CAD, DWG, PDF, or even hand sketches) – Our engineering team reviews the geometry, mounting hole positions, rotation direction, and clearance angles. We provide a free DFM (Design for Manufacturability) report to ensure the blades will run without interference or vibration on your specific pelletiser model.
· Sample-based (reverse engineering) – If you send worn or used blades, we use high precision CMM (Coordinate Measuring Machines) and optical contour profilers to create 1:1 3D models. We also analyse the wear pattern to optimise the cutting edge angle – often extending service life beyond the original design.
2. Material Selection & Heat Treatment (Tailored to Your Pelletising Conditions)
Pelletiser blades demand both wear resistance and impact toughness. We offer a range of proven materials:
Material Grade | Best Suited For | Characteristics |
SKD 11 / DC53 | Standard PP, PE, ABS (non abrasive) | Excellent toughness, excellent edge retention, low risk of chipping. |
Powder Metallurgy High Speed Steel (ASP2053 / ASP2060) | High glass filled compounds (GF30%+), engineering plastics | Superior wear resistance; 3 5× longer life than conventional tool steels. |
Highly abrasive or corrosive materials (e.g., flame retardant grades) | Extreme hardness and chemical stability; ideal for frequent start/stop cycles. |
3. Precision Machining & Dynamic Balancing
· Tolerances: We routinely achieve ±0.005 mm on critical dimensions, with flatness ≤ 0.01 mm.
· Dynamic balancing: For pelletiser rotor assemblies (typically running at 200–800 rpm), we perform ISO G2.5 grade dynamic balancing and supply a balancing report with every set. This protects your main shaft bearings from premature wear caused by vibration.
4. Surface Coating (Optional – to Extend Tool Life)
Depending on your plastic type, we can apply advanced PVD coatings:
· TiCN (Titanium Carbonitride) – hardness up to HV 3000, excellent anti adhesion for sticky polymers.
· DLC (Diamond Like Carbon) – low friction coefficient, prevents melt sticking and reduces cutting torque.
These coatings dramatically reduce downtime for re sharpening.
5. Lead Time & Minimum Order Quantity
· Lead time for custom blades: typically 15–30 days (expedited service available for urgent orders).
6. Quality Assurance
Every batch undergoes:
· Raw material spectroscopic analysis (to verify chemistry).
· Hardness testing (Rockwell) – every piece.
· Dimensional inspection using CMM and vision measuring systems.
· Microstructure examination (metallographic) to confirm grain structure.
We provide a full inspection report with each shipment.
Next Step – Let Us Help You Choose the Best Option
To give you a tailored recommendation, please share:
· Photos or videos of your worn blades (showing wear pattern).
· Material you are pelletising (e.g., virgin PP, glass filled PA, recycled PET, etc.).
· Your machine model and operating speed (if known).
Our technical team will then suggest the optimal hardness (HRC) and clearance setting for your specific application – ensuring a “plug and play” fit with minimal adjustment.
You can send drawings or sample images directly to me here, and I will have our engineers review them at no charge. We look forward to supporting your production efficiency!
