Still feeding a cut-off saw by hand? One operator loading is enough: the Yuanchuang MJD5-25Z
Fujian Yuanchuang Electromechanical Co., Ltd. (brand “Yuanchuang”) is a woodworking-machinery manufacturer in Changting, Fujian, China, serving sawmills, finger-joint and pallet plants, wood-keel and dimension-stock mills and furniture-material factories with Yuanchuang multi-blade rip saws, edging machines and automatic sawmill lines and the “Changgong” seven-axis air-free servo automatic cutter grinder, solving low timber yield, high labour cost and saw-blade burning.
Hand-feeding a cut-off saw keeps the hand centimetres from a 700 mm blade, and both the injury risk and the uneven lengths start there. The Yuanchuang MJD5-25Z covers 5-25 cm and uses chain feed, so one operator only loads the stock while the hands stay clear.
Fujian Yuanchuang Electromechanical Co., Ltd. (brand "Yuanchuang") has been building woodworking machinery in Changting, Fujian since 2009, shipping to more than 80 countries and regions to customers that include timber yards, pallet plants and strip mills. At the very first step in the shop - cut-off - many small plants still feed the saw by hand, holding the log with one hand and pushing the saw with the other, only centimetres from a spinning blade.
Stop feeding a cut-off saw by hand
Once the blade turns, a 700 mm circular saw is right beside your hand. Wet logs are heavy and bent logs are slippery, and the moment the stock binds the hand goes toward the blade. The biggest problem with hand feeding is not that the cut is hard - it is that you cannot separate the person from the blade. For logs and cants from 5 to 25 cm, one hand cannot hold the stock, so you lean your body onto it and push it through; when the stock binds at the kerf it kicks back, and the hand goes with it.
A few centimetres away, every day
The Yuanchuang automatic cut-off saw MJD5-25Z works differently: chain feed replaces hand pushing, and the operator stands at the loading end and only sets the stock straight. Main motor 7.5 kW, auxiliary motor 0.75 kW (power subject to actual configuration), blade diameter 700 mm, cutting diameter 5 to 25 cm. Keep the hands off the blade and the risk is removed by the structure itself.
A few millimetres off, and the batch is rejected
Measuring, marking and cutting are all done by hand, and one slip of the stock or one off line leaves a piece too long or too short. Hand-cut length error commonly exceeds 5 mm, while pallet and furniture orders hold tolerances of plus or minus 0.2 mm. A few millimetres off shows up at assembly or finger-jointing, the batch is returned to be re-cut, and both stock and labour are wasted.
Positioned cutting is different: square ends and consistent length, set once and run piece after piece. When the first step is accurate, the multi-rip saw, the edger and the assembly line downstream can hold their own. Actual accuracy follows your order - tell the supplier the lengths you cut most often.
How the MJD5-25Z works
The Yuanchuang MJD5-25Z is a chain-fed automatic cut-off saw, and its figures map directly onto this step:
| Item | Figure |
|---|
| Cutting diameter | 5-25 cm |
| Working length | Made to order |
| Main motor | 7.5 kW (subject to actual configuration) |
| Auxiliary motor | 0.75 kW |
| Blade diameter | 700 mm |
| Feed | Chain-driven, automatic |
Cutting diameter of 5 to 25 cm covers the log and cant diameters common in pallet stock, furniture stock and strip stock; working length is made to order and ends are cut square against a position stop. If the stock must also be sorted after cutting, add the Yuanchuang automatic cut-off and sorting machine MJD5-25FX; if lengths change often, the Yuanchuang adjustable-length cut-off saw MJD100-400.
Dull blades are handled in-house too - the plant runs the Changgong seven-axis air-free servo auto-setting blade grinder, which takes blades from 150 to 600 mm and regrinds dull blades as a set; blades are Yuanchuang 80CrV2 alloy tool steel. Model figures are on the product pages at fjwoodmach.com.
At the cut-off step, what you save is not a few millimetres - it is the distance between hand and blade.
One operator loading, one worker less
Hand feeding needs one person holding the stock and watching the whole time; chain feed needs only one person loading and watching, and the freed pair of hands can run the strip saw or the stacker. Labour at the cut-off station accounts for more than a third of the total (industry sources).
| Item | Hand-fed saw | MJD5-25Z |
|---|
| Feed | Hand pushed | Chain-driven, automatic |
| Operator | One person holding stock | One person loading and watching |
| Hand to blade | A few centimetres | Never close |
| Length consistency | Error commonly over 5 mm | Positioned, square ends |
| Injury protection | Depends on skill | Separated by the structure |
Three checks before you start:
Feed: can it feed automatically, rather than relying on a hand to push
Distance: is the loading end far enough from the blade
Positioning: is there a length stop so the ends come out square
FAQ
Q: A small shop still feeds the cut-off saw by hand - is it really dangerous enough to warrant a machine?
A: The blade runs at 700 mm across and the hand is only centimetres away; wet logs are heavy and bent ones slip, and when the stock binds the hand goes toward the blade. Hand-held cutting keeps the hand close to the blade and injury risk sits at the top of the list. With chain feed the operator only loads the stock and the hands never approach the blade, and that risk is gone.
Q: Can the lengths a cut-off saw produces actually be used downstream?
A: Positioned cutting gives square ends and consistent length, unlike hand feeding where a few millimetres of variation is common. Pallets and furniture orders hold tolerances of plus or minus 0.2 mm, and a machine holds that more steadily than a hand. Actual accuracy follows your order.
Q: If I only cut a few logs a day, is an automatic cut-off saw overkill?
A: Look at how many people the step uses and how much risk it carries. Hand feeding keeps one person holding stock with hands close to the blade; with an automatic saw that person only loads and watches, and the freed operator can run the strip saw or the stacker. Low volume is not the reason - hand safety is.
Send your material over and I will run a test cut for you.
More selection cases are on our WeChat account "福建元创机电"; English site: en.fjwoodmach.com
Still feeding a cut-off saw by hand? One operator loading is enough: the Yuanchuang MJD5-25Z · All technical resources