1. Usinage pré-CNC: Design Preparation for Electric Razor Hand Plates
Avant de lancer Usinage CNC for the electric razor hand plate prototype, a comprehensive design stage is critical to align with functional and user needs. This stage follows a linear process with clear focus areas, comme indiqué ci-dessous.
| Étape de conception | Exigences clés | Matériaux recommandés |
| Analyse de la demande de produits | Support high-speed tool head rotation (thousands of RPM); reserve space for motor, knife mesh, blade, compartiment à piles, and Type-C charging interface; ensure ergonomic non-slip grip and lightweight design. | – |
| Conception structurelle | Hand plate integration with razor body: design detachable/integrated tool head; control knife mesh-blade gap (0.1-0.2MM); reserve holes for switch, voyants lumineux, and charging port; add internal supports for motor/circuit board stability under vibration. | – |
| Sélection des matériaux | Match mass production standards; prioritize durability, machinabilité, et le confort de l'utilisateur. | Hand plate housing: Plastique abs (léger, dyeable), PC (clear/matte), alliage en aluminium (haut de gamme); Tool head parts: Stainless steel/nickel alloy (knife mesh), ceramic/metal (blade); Internal supports: Acrylic/ABS. |
| 3D Modélisation & Dessin | Use SolidWorks/UG to create 3D models with key dimensions (Par exemple, hand plate thickness, tool head diameter, battery compartment size); export STL (3D Impression) or DXF (Usinage CNC) fichiers. | – |
2. Core CNC Machining Process for Electric Razor Hand Plates
Le Processus d'usinage CNC transforms design blueprints into physical hand plate components. It requires strict material preparation, step-by-step execution, and precision control to meet razor performance standards.
2.1 Préparation des matériaux: Selecting Base Materials
Material choice directly impacts hand plate durability, poids, and machining efficiency. Vous trouverez ci-dessous une comparaison des matériaux communs:
| Type de matériau | Possibilités | Gamme d'épaisseur | Scénarios d'application |
| Pièces en plastique | ABS sheet/rod | 2-3MM | Hand plate housing (rentable, Facile à machine) |
| Pièces métalliques | Aluminum alloy sheet, draps en acier inoxydable | 1-2MM (stainless steel for knife mesh; aluminum for high-end housings) | Tool head components (knife mesh, blade holders), high-end hand plate housings. |
2.2 Step-by-Step CNC Machining Execution
Follow this linear workflow to ensure consistent precision:
- Programmation & Planification des chemins: Use Mastercam/PowerMill to generate tool paths. For hand plate housing: Utiliser des outils de grand diamètre (Par exemple, φ8mm flat cutters) pour rupture; small-diameter tools (Par exemple, φ0.3mm ball cutters) pour finir (Par exemple, switch holes, charging port edges). For tool head parts: Set high precision (tolérance ± 0,05 mm) to ensure uniform knife mesh-blade gap.
- Serrage & Positionnement: Secure materials with a vise/vacuum cup. For curved hand plate edges, use 4-axis/5-axis linkage machining; calibrate center position for symmetrical parts (Par exemple, dual-tool head hand plates).
- Exécution d'usinage:
- Logement: Forme extérieure du moulin, reserve switch/indicator/charging holes; add non-slip texture grooves on grip areas.
- Structure interne: Mill motor mounting slots, compartiment à piles (with size matching Type-C interface), circuit board card slots.
- Tool Head Interface: Machine knife mesh mounting grooves (ensure flatness/verticality) and blade holder holes (Par exemple, M2 threaded holes for fixing).
- Preliminary Surface Check: Supprimer les bavures; verify hole positions and groove depths before post-processing.
2.3 Critical Process Control
To avoid functional defects, focus on these two key controls:
- Contrôle de la tolérance: Tool head gap tolerance ±0.02mm (prevents blade-knife mesh friction); hand plate housing size tolerance ±0.1mm (ensures component fit).
- Lisse de surface: For grip areas, achieve Ra 1.6μm surface roughness via finishing; avoid sharp edges (chamfer 0.5mm) to enhance comfort.
3. Après l'achat: Traitement de surface & Assemblée
Après l'usinage CNC, post-processing enhances aesthetics and functionality, while assembly turns parts into a usable prototype.
3.1 Traitement de surface: Material-Specific Processes
Different materials require tailored treatments to meet user and performance needs:
| Type de pièce | Méthode de traitement | But & Effet |
| Plastic Hand Plate Housing | Pulvérisation | Apply matte paint (non-slip grip) or piano paint (high-gloss texture); common colors: noir, argent, or custom shades. |
| Silk Screen | Imprimer les logos de la marque, switch symbols (Par exemple, power icon), and charging indicators (Par exemple, battery level marks) on visible areas. | |
| Metal Tool Head Components | Polissage (Acier inoxydable) | Smooth knife mesh surface (prevents skin irritation); remove machining scratches. |
| Éteinte & Durcissement (Lame) | Increase blade hardness (CRH 55-60) for long-lasting sharpness. | |
| Aluminum Alloy Housing | Anodization/Sandblasting | Anodisation (anticorrosion); sable (toucher doux, fingerprint-resistant). |
3.2 Component Testing & Assembly Checklist
Ensure prototype functionality with this step-by-step verification and assembly process:
- Vérification fonctionnelle:
- Install DC brushed/brushless motor; test tool head rotation speed (Par exemple, 3000-5000 RPM) et stabilité (no abnormal vibration).
- Connect Type-C charging interface; verify LED indicator accuracy (Par exemple, red = charging, green = full).
- Test switch feel (stroke 1-1.5mm) and responsiveness (no stuck issues).
- Processus d'assemblage:
- Fix motor, circuit board, and battery on internal acrylic/ABS supports; secure wires with cable ties (prevent vibration damage).
- Attach knife mesh to tool head interface (ensure 0.1-0.2mm gap with blade); fix blade holder with M2 screws.
- Assemble hand plate housing and bottom cover: Use snaps (for easy disassembly) or ultrasonic welding (pour la résistance à l'eau); seal gaps with silicone gaskets (facultatif, for washable designs).
4. Optimisation des prototypes & Itération
Based on user testing and functional feedback, optimize the hand plate prototype to resolve issues and improve usability.
| Problem Feedback | Improvement Direction |
| Tool head vibration during use (causes discomfort). | Add silicone shock-absorbing pads under the motor; reinforce internal support rigidity (Par exemple, add rib structures). |
| Knife mesh-blade misalignment (causes uneven shaving). | Adjust CNC machining parameters for tool head grooves; use laser measurement to calibrate gap before assembly. |
| Hand plate grip discomfort (slippery/heavy). | Add rubber non-slip strips on grip areas; switch to lightweight PC material (reduces weight by 10-15%). |
| Charging interface damage (frequent plugging). | Design a recessed Type-C port (1-2profondeur mm) or add a rubber protective cover. |
5. Common Technical Difficulties & Solutions
During CNC machining and prototype production, these issues often arise—here are practical fixes:
| Difficulté technique | Solution |
| Uneven knife mesh-blade gap. | Use 4-axis CNC machining for tool head grooves; après l'achat, use a feeler gauge to adjust gap (add shims if needed). |
| Motor vibration causes noise. | Optimize internal support design (Par exemple, use metal brackets instead of plastic); add foam damping pads around the motor. |
| Plastic hand plate housing deformation (Après l'usinage). | Choose fiber-reinforced ABS (increases strength by 20%); add stiffeners at edge/corner areas. |
| Charging port hole misalignment (affects plug fit). | Use CNC machining with positional accuracy ±0.03mm; pre-mark hole positions on 3D models for verification. |
6. Livraison & Subsequent Applications
A well-executed hand plate prototype serves multiple purposes to support product development:
- Afficher & Essai: Use for marketing demos (Par exemple, salons du commerce), customer feedback collection (Par exemple, grip comfort surveys), and appearance validation (ensure design matches brand image).
- Data Inheritance: Share CNC machining parameters (Par exemple, chemins d'outils, tolerance settings) and problem records (Par exemple, vibration solutions) with the mass production team. This optimizes injection mold design (for plastic hand plates) or metal die-casting processes (pour les pièces en aluminium), reducing mass production risks.
Point de vue de la technologie Yigu
À la technologie Yigu, we recognize CNC machining is the core of creating high-performance electric razor hand plate prototypes. It ensures the hand plate’s ergonomics, précision, and durability—all critical for user satisfaction. When manufacturing such prototypes, we prioritize two aspects: material-machinability matching (Par exemple, using ABS for cost-effective housings, stainless steel for corrosion-resistant knife meshes) and functional validation (Par exemple, rigorous vibration and gap testing). By combining precise CNC processes with iterative optimization, we help clients shorten development cycles and avoid mass production pitfalls. Aller de l'avant, we will integrate AI-driven tool path optimization to further 提升 machining efficiency while maintaining ±0.02mm tolerance levels, supporting faster prototype iterations for electric razor brands.
FAQ
- What is the ideal gap between the knife mesh and blade in a CNC machined electric razor hand plate prototype, and how is this achieved via CNC machining?
The ideal gap is 0.1-0.2mm (prevents skin irritation while ensuring effective shaving). This is achieved by setting CNC machining tolerance of ±0.05mm for tool head grooves, using 4-axis machining for groove flatness, and post-machining gap verification with a feeler gauge.
- Can CNC machined electric razor hand plate prototypes be used directly for small-batch production?
Non. CNC prototypes are for design testing and feedback collection. Pour la production de petit lot, switch to injection molding (for plastic hand plates) or die-casting (pour les pièces métalliques)—these processes are more cost-effective and efficient for high-volume manufacturing, using data from CNC prototypes to optimize tooling.
- How long does it take to produce a CNC machined electric razor hand plate prototype?
It depends on design complexity. For a standard hand plate (plastic housing + metal tool head interface), the process takes 5-8 jours (including design finalization, Usinage CNC, post-traitement, et assemblage). Pour des conceptions complexes (Par exemple, 4-axis machined curved housings, waterproof structures), il peut prendre 10-12 jours.