US Dollars
What is a Planishing Hammer?
A planishing hammer is a specialized sheet metal fabrication tool used to smooth, shape, and finish metal panels with precision. Unlike traditional hammering methods, planishing hammers use rapid, controlled strikes delivered by an upper hammer against a shaped lower anvil to gradually work metal into the desired form. This technique is essential for auto body restoration, custom metal fabrication, and creating smooth, professional finishes on formed metal panels.
Common Applications in Auto Body Work
Planishing hammers are invaluable tools for automotive service shops specializing in:
- Panel Restoration: Removing dents, dings, and surface imperfections from body panels
- Custom Fabrication: Creating curved or formed metal pieces for custom builds and modifications
- Classic Car Restoration: Repairing and refinishing vintage vehicle body panels to original specifications
- Aluminum Repair: Working with aluminum body panels, which require dedicated tools to prevent cross-contamination with steel
- Metal Finishing: Achieving smooth, professional surfaces before painting or coating
Key Features to Consider
When selecting a planishing hammer for your shop, consider these important factors:
- Throat Depth: Models typically range from around 19 inches to 26 inches or more, determining how far into a panel you can reach
- Material Capacity: Different models handle varying gauges of metal, with capacities often ranging from 16 gauge mild steel to thicker aluminum sheet
- Air Requirements: Most planishing hammers operate on shop air, generally requiring 50-100 PSI at varying CFM ratings
- Anvil Adjustability: Quick-adjust features allow for precise control over hammer pressure and height
- Portability: Some models include wheeled floor stands for easy repositioning around the shop
- Included Accessories: Packages may include multiple anvil shapes, in-line oilers, pressure regulators, and foot pedal controls
Working with Different Metals
Aluminum Considerations: Aluminum has significantly less "metal memory" than steel, making it more challenging to return to its original shape once damaged. When working with aluminum panels, it's important to use dedicated tools to prevent galvanic corrosion that can occur when aluminum and steel come into direct contact. Keeping separate equipment for aluminum and steel repairs helps prevent contamination through metal shavings and ensures proper technique for each material.
Temperature Awareness: Aluminum heats up rapidly but also cools quickly, requiring careful timing and technique during repair work. Understanding material-specific heat limits and working methods is essential for successful results.
Shop Requirements and Setup
Before installing a planishing hammer, verify your shop has:
- Adequate Air Supply: Compressed air system capable of delivering the required PSI and CFM ratings
- Electrical Access: Some models require 110-volt electrical connections for operation
- Floor Space: Sufficient workspace around the unit for safe operation and material handling
- Proper Ventilation: Adequate air circulation for metal working environments
Note: Specifications vary by model. Always check individual product listings and manufacturer documentation for exact details on throat depth, material capacity, air requirements, electrical needs, and included accessories.
Planishing Hammer
WARNING: These products can contain certain metals/chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov