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Maggi Steff 4 4-roll variable speed feeder is a stock feeder with four rollers designed to move material at controlled speeds from 9 to 59 FPM, so boards advance through machinery at a steady, predictable rate. The 4-3/4 inch roller diameter and 2-1/4 inch roller width give a defined contact area on the workpiece, helping maintain consistent traction while the stock is passing the cutting zone. A stand supports the feeder at working height, so it can be positioned relative to the machine table for repeatable setups. The feeder uses a 0.75 HP motor on single-phase machines and a 1 HP motor on three-phase machines, so power delivery is matched to the machine supply. Weight of 155 lbs keeps the unit stable, which helps limit movement while feeding stock under load.
The variable speed system from 9 to 59 FPM uses a belt on a conical aluminum pulley, so changing feed rate happens by repositioning the belt along the cone. A turn knob is used to set the required speed without changing gear positions, which lets the operator refine feed rate within the available range while the mechanism stays in one gear setting. A min-max plate indicates the rotation direction to obtain the required speed, so the user reads the plate and turns the control in the appropriate direction to move toward either the slower or faster end of the range.
This stock feeder is in the machinery stock feeders category, so it is intended to advance material through woodworking or similar machines where controlled, powered feeding is needed. Four rollers engage the stock over a length of the board, which helps keep the piece moving at a steady rate as it enters, passes through, and leaves the cutting area. The 4-3/4 inch diameter rollers present a broad surface to the workpiece, and the 2-1/4 inch width defines a compact roller profile, so the feeder can apply pressure while still allowing positioning relative to fences and guides. Variable speed from 9 to 59 FPM gives flexibility for different cutter diameters and material types, so the operator can slow the feed for demanding cuts or increase it for straightforward passes where higher throughput is appropriate.
The speed adjustment system using a belt on a conical aluminum pulley provides a mechanical way to vary feed rate, so the drive transmits power through direct belt contact while changing effective pulley diameter to alter speed. This approach keeps the mechanism straightforward while offering multiple feed settings, which supports repeated adjustments without reconfiguring internal gears. The turn knob for required speed without the need to change the position of the gears simplifies on-the-fly modifications within the designed range, so an operator can refine performance between different runs or setups using the same basic gear arrangement. The min-max plate indicates the rotation direction to obtain the required speed, which provides a visual reference when changing feed rate so adjustments follow the intended direction along the speed range. The 0.75 HP motor on single-phase machines and the 1 HP motor on three-phase machines align motor output with electrical service type, supporting consistent feeding force for the stock as it moves under the rollers.
The Maggi Steff 4 4-roll variable speed feeder operates from 9 to 59 FPM, so feed rate can be matched to different materials and cutting operations.
The feeder has 4 rollers, which spread contact across the board length to support steady advancement of stock through the machine.
The feeder uses a belt on a conical aluminum pulley with a turn knob and min-max plate, so the operator changes feed rate by adjusting belt position and knob rotation.
The 4-3/4 inch roller diameter and 2-1/4 inch roller width define the contact patch on the board, balancing grip and maneuverability during machine setups.
This feeder uses a 0.75 HP motor on single-phase machines and a 1 HP motor on three-phase machines, aligning output with the machine power supply.
The 155 lbs weight provides mass that helps stabilize the feeder on its stand, supporting smoother stock feeding under load.
The Maggi Steff 4 4-roll variable speed feeder with stand combines four rollers, variable speed from 9 to 59 FPM, and a 440V three-phase configuration, so it supports controlled stock feeding on appropriate machinery. The conical aluminum pulley system with turn knob and min-max plate offers practical fine-tuning of feed rate, while the defined roller size and substantial 155 lbs weight support steady material contact. When a stock feeder with these characteristics aligns with the machine and process requirements, this model provides the verified features needed for consistent powered feeding.
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