Chicago Electric #46300 — Powder Coating Oven

110V • 60 Hz • 13.8 A • Up to 480°F • Metal Shop Finishing Tool

Purpose & Capabilities

The Chicago Electric #46300 oven is a dedicated curing oven for powder‑coated parts. It provides:

• Controlled, even heating

• Safe curing of powder‑coated finishes

• A clean, enclosed environment separate from welding and grinding

• Reliable temperature control up to 480°F

This oven is intended only for powder coating and heat‑curing finishes — not for food, plastics, or general heating tasks.

Access Level

• General Member Use with Metal Shop Orientation

• Powder coating workflow training recommended

• Only authorized volunteers may adjust internal wiring or thermostats

Specifications

• Model:
  Chicago Electric #46300

• Voltage:
  110V

• Frequency:
  60 Hz

• Current Draw:
  13.8 A

• Maximum Temperature:
  480°F (≈ 250°C)

• Heating Method:
  Electric element

• Interior Volume:
  Small‑to‑medium parts (brackets, plates, hardware, small frames)

• Controls:
  Analog temperature dial + indicator light

• Location:
  Metal Shop finishing area

Key Features

• Dedicated powder‑coat curing
  — consistent results and proper adhesion

• Enclosed heating chamber
  — protects the rest of the shop from fumes

• Stable temperature control
  — prevents scorching or under‑curing

• Metal racks/shelves
  — for holding parts during curing

• Compact footprint
  — ideal for small metal projects

Before You Begin

• Ensure the oven is empty and clean

• Verify the temperature dial is set to OFF

• Inspect your powder‑coated part:

  • Even coverage

  • No loose powder

  • No contaminants

• Use heat‑resistant gloves

• Confirm your part is safe for 480°F curing

• Make sure the oven is plugged into a dedicated circuit (13.8 A draw is significant)

Operating Guidelines

Loading the Oven

• Place your part on the interior rack

• Avoid touching the powder surface

• Leave space around the part for airflow

• Close the door fully

Curing

• Set the temperature according to powder manufacturer instructions

• Typical cure range: 350–450°F

• Typical cure time: 10–20 minutes after reaching temperature

• Allow the oven to preheat before starting the timer

• Monitor the indicator light and temperature dial

Cooling

• Turn off the oven

• Open the door slightly to vent heat

• Allow parts to cool inside the oven to avoid smudging

• Use heat‑resistant gloves when removing parts

After Use

• Turn the temperature dial to OFF

• Unplug the oven if not in use

• Remove racks only after they cool

• Wipe out any powder residue

• Leave the oven clean for the next member

Approved Use Cases

• Powder‑coated metal parts

• Small brackets, plates, and hardware

• Metal shop finishing projects

• Heat‑curing specialty coatings rated for 480°F

Not Approved

• Food

• Plastics

• Wood

• Ceramics

• Epoxy curing

• Heat‑treating metal

• Any material that emits toxic fumes at high temperature

• Anything exceeding the oven’s size or temperature rating

Safety Rules

• Always wear heat‑resistant gloves

• Keep face and hands clear when opening the hot door

• Do not leave the oven unattended while heating

• Ensure good ventilation in the metal shop

• Do not modify wiring, thermostat, or heating elements

• Report electrical issues immediately

• Keep flammable materials away from the oven

• Never use extension cords — 13.8 A requires a direct outlet

Common Issues & Troubleshooting

• Uneven curing:

  • Part too close to walls

  • Temperature not stabilized

  • Powder applied too thick

• Oven not heating:

  • Check outlet and breaker

  • Inspect power cord

  • Report immediately in #machinedown

• Burnt finish:

  • Temperature too high

  • Cure time too long

  • Powder not rated for 480°F