Skip to content

Commit f4c4801

Browse files
committed
Recreate the 'CNC Router' documents and write out risk assesments
1 parent f8c18c7 commit f4c4801

File tree

2 files changed

+223
-257
lines changed

2 files changed

+223
-257
lines changed
Lines changed: 207 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,207 @@
1+
# CNC Router
2+
3+
## Body part or clothing caught in the XYZ axes of the machine
4+
5+
### Severity
6+
H
7+
8+
### Likelihood
9+
L
10+
11+
### Risk rating
12+
M
13+
14+
### Who may be harmed & how
15+
16+
User, people nearby -- jammed body parts or clothing can lead to crush or pinch injuries.
17+
18+
### Control measures
19+
20+
- Signage -- indication of dangerous parts of the machine.
21+
- Training -- instructions to remove or secure loose clothing and long hair, and to avoid getting too close to the moving parts of the machine.
22+
- Equipment -- accessible emergency stop button.
23+
24+
## Body part or clothing getting caught on the spindle
25+
26+
### Severity
27+
H
28+
29+
### Likelihood
30+
L
31+
32+
### Risk rating
33+
M
34+
35+
### Who may be harmed & how
36+
37+
User -- may get pulled into the machine, the sleeves and gloves can get pulled and entangled, can cause crush, pinch injuries, cuts, abrasion, peeling of the skin.
38+
39+
### Control measures
40+
41+
- Signage -- indication of dangerous parts of the machine.
42+
- Training -- instructions to remove or secure loose clothing and long hair, and to avoid getting too close to the moving parts of the machine.
43+
- Equipment -- accessible emergency stop button, protective shield around the spindle.
44+
45+
## Tool breaking
46+
47+
### Severity
48+
M
49+
50+
### Likelihood
51+
M
52+
53+
### Risk rating
54+
M
55+
56+
### Who may be harmed & how
57+
58+
User or a bystander -- may be hit by the shards of the tool that can damage the skin or the eyes.
59+
60+
### Control measures
61+
62+
- Training -- instructions to verify correctness of the feed, spindle RPM, tool path and machine configuration, wearing PPE.
63+
- Equipment -- protective shield around the spindle, PPE.
64+
65+
## Tool or workpiece overheating
66+
67+
### Severity
68+
M
69+
70+
### Likelihood
71+
M
72+
73+
### Risk rating
74+
M
75+
76+
### Who may be harmed & how
77+
78+
User -- can get burned by touching hot objects.
79+
The space -- workpiece may catch fire.
80+
81+
### Control measures
82+
83+
- Training -- verify correctness of the feed and spindle RPM, do not let the machine run unattended, check if things are hot before touching them.
84+
85+
## Ignition of chips/dust
86+
87+
### Severity
88+
H
89+
90+
### Likelihood
91+
L
92+
93+
### Risk rating
94+
M
95+
96+
### Who may be harmed & how
97+
98+
Everybody in the room and/or the space, the machine, the space itself -- in case a fire breaks out.
99+
100+
### Control measures
101+
102+
- Training -- take chip evacuation into account when configuring the feeds, spindle RPM and tool paths, use the dust extractor, clean the dust extractor fan and tray.
103+
- Equipment -- protective cover for the spindle aids in dust extraction, working fire alarm in the room.
104+
105+
## Hearing damage
106+
107+
### Severity
108+
M
109+
110+
### Likelihood
111+
M
112+
113+
### Risk rating
114+
M
115+
116+
### Who may be harmed & how
117+
118+
Everybody in the room -- prolonged exposure to the noises caused by the machine can cause hearing damage.
119+
120+
### Control measures
121+
122+
- Training -- wearing PPE, taking breaks, telling other people in the room to wear PPE.
123+
124+
## User fatigue
125+
126+
### Severity
127+
M
128+
129+
### Likelihood
130+
M
131+
132+
### Risk rating
133+
M
134+
135+
### Who may be harmed & how
136+
137+
User, the machine, other people in the room -- fatigue makes other mistakes more likely to happen.
138+
139+
### Control measures
140+
141+
- Training -- taking and planning breaks when running long jobs.
142+
143+
## Objects interfering with the XYZ axes of the machine
144+
145+
### Severity
146+
L
147+
148+
### Likelihood
149+
L
150+
151+
### Risk rating
152+
L
153+
154+
### Who may be harmed & how
155+
156+
The machine may get damaged.
157+
User, bystander -- trapped objects may become airborne.
158+
Improper attempts to resolve the problem can lead to body parts or clothes getting trapped.
159+
160+
### Control measures
161+
162+
- Training -- make sure the work area is clear from obstacles.
163+
- Equipment -- accessible emergency stop button.
164+
165+
## Machine or tool crashing into workpiece
166+
167+
### Severity
168+
L
169+
170+
### Likelihood
171+
M
172+
173+
### Risk rating
174+
L
175+
176+
### Who may be harmed & how
177+
178+
User -- may be hit by an object sent flying.
179+
The object may get stuck on the spindle and start spinning and shaking violently.
180+
181+
The machine may get damaged.
182+
Can lead to other issues such as the tool or workpiece overheating.
183+
184+
### Control measures
185+
186+
- Training -- verify correctness of the feed and spindle RPM, do not let the machine run unattended, secure the workpiece appropriately.
187+
- Equipment -- accessible emergency stop button.
188+
189+
## Injury due to airborne particles
190+
191+
### Severity
192+
M
193+
194+
### Likelihood
195+
L
196+
197+
### Risk rating
198+
L
199+
200+
### Who may be harmed & how
201+
202+
Everybody in the room -- inhaling harmful particles.
203+
204+
### Control measures
205+
206+
- Training -- wearing PPE, telling other people in the room to wear PPE, using dust extraction, avoiding using materials that generate especially bad particles (e.g. carbon fiber).
207+
- Equipment -- PPE, dust extractor.

0 commit comments

Comments
 (0)