Firewood Processor

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Product Definition

A firewood processor is a machine designed to cut and split firewood with minimal manual handling of the logs. Processing begins with a log pile – a pile of logs that have been delimbed and cut to an appropriate length, generally 10–12 feet (3.0–3.7 m), and ends with split firewood either piled or loaded in a Dump Trailer ready to be hauled to the consumer. Popular brands include Wood Beaver, DYNA, Multitek and Blockbuster.

Overview

I believe that there is a need for the creation of a firewood processor according to the OSE standards and that tool should be included in the Global Village Construction Set. Firewood is considered renewable energy and it is widely adopted worldwide. It is relevant to village economy because it can produce firewood relative fast (2-3 cords per hour). The heating needs of a small house vary form less than a cord per year up to a couple of cords. With 1 hour of use the firewood processor covers the needs of 1 house.

Log Deck

Logs are stacked onto the log deck using a machine such as a Skid Loader or Small Excavator with a grapple. Each log is pulled mechanically into a trough that feeds it into position to be saw into firewood-length pieces (often called “rounds”).

Saw Station

The log is saw by either a hydraulically operated chainsaw harvester bar, or on larger machines a very large circular saw blade (slasher saw). When the cut is completed, the "round" drops into position to be split in the next process.

Splitting Station

A wedge is force the 'rounds' through a wedge that splits them into firewood. Depending on the diameter and the market, the 'rounds' can be split in more pieces or less. Wood furnaces generally operate better with bigger and longer slow burning pieces that wood stoves.

Outfeed

Typically a conveyor that pulls the split firewood away from the processor and into a waiting delivery truck’s box or dump trailer or just a woodpile for later handling. Some setups will use multiple conveyors and introduce a tumbling system to clean the firewood.

Industry Standards

Design Rationale

Detailed performance specifications

General price structure of materials

Components

Lifetime design features

Modularity

Conveyor maybe used in CEB to carry soil in the hopper, as low height shoveling may is less effort than raising buckets to to the hopper height???

Open License and Open Design

Scaling calculations

Product Ecology

Safety features

Distributive enterprise qualities

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