CNC hedge trimmer grinder

Are you facing the three major dilemmas in the production of hedge blades? Old equipment with slow processing leading to insufficient production capacity and delayed orders; poor edge precision causing high scrap rates and soaring costs; low efficiency and large errors in manual operations? Our CNC hedge grinder provides you with a one-stop solution:

• 30%+ increase in production capacity: Automated grinding replaces manual work/old equipment, increasing daily output from 500 pieces to over 650 pieces;

• Edge precision reaches ±0.001mm: B-axis can be flexibly adjusted by ±50 degrees to ensure perfect forming of complex edge cross-sections;

• Scrap rate reduced by 15%: Closed-loop detection system monitors in real-time to avoid edge deformation/irregularity;

• Fully enclosed protection: Automatically absorbs oil mist, meets environmental protection standards, and improves the workshop working environment;

• Simple operation: Huaxing bus CNC system, new operators can get started after 1 day of training, reducing reliance on manual labor.

Workpiece Literacy: Core Properties of Hedge Trimmer Blades

Hedge trimmer blades are core components of garden tools, used for trimming hedges, shrubs, and lawn edges. They need to possess three major characteristics: high wear resistance (to cope with frequent cutting), precise cutting edges (to ensure smooth cutting), and deformation resistance (to extend service life). Common materials include manganese steel (65Mn) and stainless steel (304). Their geometric complexity lies in the fact that the edge cross-section is arc-shaped/serrated, requiring multi-angle grinding, which is difficult for traditional equipment to achieve uniform processing. Common risks include: uneven cutting edges leading to cutting jams, material deformation affecting assembly, and high surface roughness making them prone to rusting.

Core pain points: Fatal shortcomings of old equipment

• Insufficient production capacity: The single-shift output of traditional grinding machines is only 300-400 pieces, which cannot meet the order demand during peak seasons, leading to delayed deliveries and loss of customers.
• Low precision: The edge tolerance of manual/old equipment is more than ±0.01mm, and 10% of the blades are scrapped due to substandard precision, increasing costs.
• Low efficiency: Manual angle adjustment takes a long time, each blade takes 5 minutes to process, and the degree of automation is low.
• Environmental protection issues: Open grinding generates a large amount of oil mist, polluting the workshop air and violating environmental protection regulations.

Key points by section

1. Rough Grinding of the Cutting Edge
   • Method: Use AIRTAC customized pneumatic fixtures to quickly fix manganese steel/stainless steel blanks (compatible with multiple specifications); X-axis (stroke 700mm) linear feed, B-axis (±50 degrees) flexibly adjust the grinding angle to match the cutting edge cross-section requirements.
   • Parameters: Grinding wheel spindle speed 8000rpm, feed rate 500mm/min.
   • Risk Control: Built-in online measurement sensors to monitor the blank position in real-time, avoiding deformation caused by excessive grinding.
   • Equipment: B-axis turntable (BX80E reducer), AIRTAC cylinder fixture.
2. Precision Grinding of the Cutting Edge
   • Method: Switch to a fine grinding wheel (adapted to material hardness), and use the CAM tool path planning of Huaxing CNC system to achieve high-precision grinding.
   • Parameters: Maximum spindle speed 12000rpm, feed rate 100mm/min, cutting edge tolerance controlled within ±0.001mm.
   • Risk Control: Water cooling system for continuous cooling to reduce grinding wheel wear and material residual stress.
   • Equipment: Sanjing grinding wheel spindle, Huaxing bus CNC system (WA-N719XTN).
3. Surface Deburring
   • Method: Automated polishing device (with built-in Shengxiang automatic lubrication system) processes the cutting edge to remove residual burrs from processing.
   • Parameter: Surface roughness Ra ≤ 0.4μm.
   • Equipment: Automated polishing module, Shengxiang lubrication system.
4. Inspection Closed-Loop
   • Method: Use digital twin technology (or online measuring instrument) to compare the cutting edge parameters with the standard values, and automatically rework unqualified products.
   • Index: Pass rate of over 98%.
   • Equipment: Online measurement sensor, data interaction with Huaxing CNC system.

A garden tool manufacturer in Guangdong originally had 3 old grinding machines, with a monthly capacity of 12,000 pieces, a scrap rate of 8%, and an order delay rate of 20% during peak seasons. After introducing 2 of our CNC hedge grinding machines:

• Monthly capacity increased to 18,000 pieces (+50%);
• Scrap rate reduced to 1.5% (-81%);
• Order delivery cycle shortened from 7 days to 4 days, and customer satisfaction increased by 90%.