ISO 21120:2025 林業用機械 — 林業用マルチング装置 — 用語、定義および商用仕様 | ページ 6

3.1.1

マルチングアタッチメントキャリア

マルチングアタッチメントを運ぶための自走式機械（3.1.2）

注記 1:マルチングアタッチメントキャリアは、その設計構成と運用目的によって定義されます。

3.1.2

マルチングアタッチメント

マルチングアタッチメントキャリア (3.1.1) に取り付けられ、マルチングアタッチメントキャリア (3.1.1) を目的として設計された装置 (3.1.3)

3.1.3

マルチング

現場で樹木、低木、または樹木の一部を研削または細断することで削減し、結果として生じた材料を森林または作業現場の床に残すこと

[出典: ISO 6814:2009, 2.16, 追加: または作業現場に修正]

3.1.4

マルチング装置

マルチングアタッチメントキャリア (3.1.1) マルチングアタッチメント (3.1.2) を装備

注記 1:マルチング装置は、その構成方法 (例えば、ドライブタイプ、ロータータイプ、ツールタイプ、マウントタイプ) およびこれらのタイプの組み合わせによって分類できます。レイク 3.4

3.4.1.1

PTOドライブ

マルチングアタッチメント (3.1.2) が マルチャーアタッチメントキャリア (3.1.1) のパワーテイクオフによって電力供給されるwhere

3.4.1.2

油圧駆動

マルチング アタッチメント (3.1.2) where 、 マルチング アタッチメント キャリア (3.1.1) によって マルチング アタッチメント (3.1.2) のシングルまたはデュアル油圧モーターに供給される作動油によって駆動される構成。

3.4.1.3

自己電源ドライブ

マルチング アタッチメント (3.1.2) がオンボード電源 (エンジン、電気モーター、油圧モーターなど) で構成さwhere 、 マルチング アタッチメント キャリア (3.1.1) からマルチング アタッチメント キャリア (3.1.1) への電力から独立している構成。 マルチングアタッチメント (3.1.2) の ローター (3.3.1)

3.2.1

undercarriage

base of the mulching equipment (3.1.4) that provides mobility

Note 1 to entry: An undercarriage typically has endless tracks or wheels, or a combination of both.

3.2.2

maximum ground speed

maximum forward speed able to be obtained on level ground based on the nominal design capacity of the mulching attachment carrier (3.1.1) with tyres or endless tracks

Note 1 to entry: The tyre size will be the largest diameter drive tyres as specified by the mulching attachment carrier manufacturer for the mulching attachment carrier (3.1.1) .

3.3.1

rotor

rotating component with tools (3.3.2) that strikes and reduces material it comes in contact with

Note 1 to entry: The rotor typically has an axis that is either horizontal (drum type) or vertical (disc type).

3.3.2

tool

material engaging element mounted to the rotor (3.3.1) that grinds, shreds, tears, or cuts material

3.3.3

anvil

reaction element or elements located close to the rotor (3.3.1) which restrains engaged material while it is struck and reduced by the tools (3.3.2)

3.3.4

rotor housing

enclosure containing the rotor (3.3.1) and reactionary elements which limit and direct material discharge

3.3.5

debris sizing door

adjustable element mounted on the rotor housing (3.3.4) that contributes to material reduction and directs material discharge

3.3.6

push bar

pushover bar

rigid or adjustable structure mounted on top of the rotor housing (3.3.4) for manipulating and directing material that is standing or on the ground

3.3.7

skid shoe

adjustable or rigid mounted element mounted at the bottom of the mulching attachment (3.1.2) outside of the rotor housing (3.3.4) that regulates distance between the cutting element and the ground

3.3.8

mount

mechanical interface that connects the mulching attachment (3.1.2) to the mulching attachment carrier (3.1.1) typically by welding, bolting, or pinning

Note 1 to entry: Quick couplers and quick attach systems are other types of interfaces.

3.3.9

debris guard

devices affixed to the lower section of the mulching attachment (3.1.2) that absorbs or deflects thrown debris

3.3.10

tool holder

device that affixes the tool (3.3.2) to the drum (3.4.2.1) or the disc (3.4.2.2)

3.4.2.1

drum

configuration where the rotor of the mulching attachment (3.1.2) is cylindrical and typically mounted with a horizontal shaft orientation within the rotor housing (3.3.4)

3.4.2.2

disc

configuration where the rotor of the mulching attachment (3.1.2) is a disc or disc-like assembly, and typically mounted with a vertical shaft orientation to the ground within the rotor housing (3.3.4)

3.4.3.1

fixed

configuration where a tool (3.3.2) is rigidly mounted to the rotor (3.3.1)

3.4.3.2

swing

flail

configuration where a tool (3.3.2) that can swing or pivot independent of the rotor (3.3.1)

3.4.4.1

limited reach

mount (3.3.8) configuration with a vertical lift capability typically less than 1,75 m

3.4.4.2

boom

mount (3.3.8) configuration intended for mulching attachment carriers (3.1.1) with lift and reach typically more than 4 m

Note 1 to entry: This configuration can include tilting and rotational elements for mulching attachment (3.1.2) positioning.

3.4.4.3

loader

mount (3.3.8) configuration intended for mulching attachment carriers (3.1.1) with loader arm geometry that typically provides vertical lift less than 4 m

Note 1 to entry: Reach is typically fixed and cannot be adjusted in or out, but the loader can include tilting elements to independently position the mulching attachment (3.1.2)

3.5.1

ground reference plane

GRP

hard, flat, horizontal surface on which the mulching attachment carrier (3.1.1) and mulching attachment (3.1.2) are placed for taking measurements

[SOURCE:ISO 13862:2022, modified ― replaced"machine is" with"mulching attachmentcarrier (3.1.1) and mulching attachment (3.1.2) are”.]

3.5.2.1

height

H₁

distance from ground reference plane (3.5.1) to the top of the highest mulching attachment carrier (3.1.1) element with the attachment lowered to the ground

3.5.2.2

width

W₁

linear distance between each side-most mulching attachment carrier (3.1.1) element

3.5.2.3

length

L₁

linear distance between the forward-most mulching attachment carrier (3.1.1) element and the rearward-most mulching attachment carrier (3.1.1) element

3.5.2.4

ground clearance

H₂

vertical distance measured from the ground reference plane (3.5.1) to lowest point of the mulching attachment carrier (3.1.1) centre portion

3.5.2.5

average ground contact pressure

average ground contact pressure of the mulching attachment carrier (3.1.1) , in kilopascals, determined in accordance with ISO 16754

[SOURCE:ISO 15143-2:2010, 3.3.1.6, modified ― “of the mulching attachment carrier” added.]

3.5.3.1

height

H₃

distance from the ground reference plane (3.5.1) to the top of the highest mulching attachment (3.1.2) element

3.5.3.2

width

W₂

linear distance between each side-most mulching attachment (3.1.2) element

3.5.3.3

length

L₂

linear distance between the forward-most mulching attachment (3.1.2) element and the rearward-most mulching attachment (3.1.2) element

3.5.3.4

mulching width

W₃

width of the opening to the rotor (3.3.1) where mulching is effective on a drum-type mulcher attachment (3.1.2)

3.5.3.5

rotor diameter

D₁

radial dimension of the cutting disc (3.4.2.1) or cutting drum (3.4.2.2) including tools (3.3.2) and tool holders (3.3.10)

3.5.3.6

disc diameter

D₂

radial dimension of the cutting disc (3.4.2.1) less tools (3.3.2) and tool holders (3.3.10)

3.5.3.7

drum diameter

D₃

radial dimension of the cutting drum (3.4.2.2) less tools (3.3.2) and tool holders (3.3.10)

3.5.4.1

lift height

H₅

vertical distance measured upward from the ground reference plane (3.5.1) to the lowest point of the rotor (3.3.1) when lifted to maximum height

3.5.4.2

reach

L₃

horizontal distance measured from the forward-most edge of the wheels or tracks to the forward-most point of the rotor (3.3.1)

3.5.4.3

below-grade depth

H₆

vertical distance measured downward from the ground reference plane (3.5.1) to the lowest point of the rotor (3.3.1) when lowered to maximum depth

3.6.1

overall mass

< mulching attachment carrier > mass of the mulching attachment carrier (3.1.1) , without the mulching attachment (3.1.2) in the most usual configuration as specified by the manufacturer, and with the operator (75 kg), full fuel tank and all fluid systems (in other words, hydraulic oil, transmission oil, engine oil, engine coolant) at the levels specified by the manufacturer

Note 1 to entry: Adapted from ISO 6016:2008, 3.2.

3.6.2

overall mass

<mulching attachment> mass of the mulching attachment (3.1.2) in the most usual configuration as specified by the manufacturer with all available options affixed